Home / 1,120,313.12-1,546,164.96-636,951.20

Finding the Fourth Proportional to 1,120,313.12, 1,546,164.96 and 636,951.20

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Solution

The fourth proportional to 1,120,313.12, 1,546,164.96 and 636,951.20 is: 879,068.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,313.12 : 1,546,164.96 = 636,951.20 : x
  2. Step 2: Convert to fraction form
    1,120,313.12/1,546,164.96 = 636,951.20/x
  3. Step 3: Cross multiply
    1,120,313.12x = 1,546,164.96 × 636,951.20
  4. Step 4: Simplify right side
    1,120,313.12x = 984,831,626,669.95
  5. Step 5: Solve for x
    x = 984,831,626,669.95/1,120,313.12
  6. Step 6: Final answer
    x = 879,068.19

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.