Home / 1,108,607.40-1,662,911.10-360,653.40

Finding the Fourth Proportional to 1,108,607.40, 1,662,911.10 and 360,653.40

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Solution

The fourth proportional to 1,108,607.40, 1,662,911.10 and 360,653.40 is: 540,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,607.40 : 1,662,911.10 = 360,653.40 : x
  2. Step 2: Convert to fraction form
    1,108,607.40/1,662,911.10 = 360,653.40/x
  3. Step 3: Cross multiply
    1,108,607.40x = 1,662,911.10 × 360,653.40
  4. Step 4: Simplify right side
    1,108,607.40x = 599,734,542,112.74
  5. Step 5: Solve for x
    x = 599,734,542,112.74/1,108,607.40
  6. Step 6: Final answer
    x = 540,980.10

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Double scale
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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.