Home / 1,100,164.10-1,650,246.15-820,228.10

Finding the Fourth Proportional to 1,100,164.10, 1,650,246.15 and 820,228.10

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Solution

The fourth proportional to 1,100,164.10, 1,650,246.15 and 820,228.10 is: 1,230,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,164.10 : 1,650,246.15 = 820,228.10 : x
  2. Step 2: Convert to fraction form
    1,100,164.10/1,650,246.15 = 820,228.10/x
  3. Step 3: Cross multiply
    1,100,164.10x = 1,650,246.15 × 820,228.10
  4. Step 4: Simplify right side
    1,100,164.10x = 1,353,578,264,146.82
  5. Step 5: Solve for x
    x = 1,353,578,264,146.82/1,100,164.10
  6. Step 6: Final answer
    x = 1,230,342.15

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Half scale
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Double scale
Find fourth proportional to 1,100,165.10, 1,650,247.65 and 820,229.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.