Home / 754,337.10-1,131,505.65-725,306.70

Finding the Fourth Proportional to 754,337.10, 1,131,505.65 and 725,306.70

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Solution

The fourth proportional to 754,337.10, 1,131,505.65 and 725,306.70 is: 1,087,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,337.10 : 1,131,505.65 = 725,306.70 : x
  2. Step 2: Convert to fraction form
    754,337.10/1,131,505.65 = 725,306.70/x
  3. Step 3: Cross multiply
    754,337.10x = 1,131,505.65 × 725,306.70
  4. Step 4: Simplify right side
    754,337.10x = 820,688,629,032.86
  5. Step 5: Solve for x
    x = 820,688,629,032.86/754,337.10
  6. Step 6: Final answer
    x = 1,087,960.05

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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.