Home / 754,348.60-1,131,522.90-725,318.20

Finding the Fourth Proportional to 754,348.60, 1,131,522.90 and 725,318.20

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Solution

The fourth proportional to 754,348.60, 1,131,522.90 and 725,318.20 is: 1,087,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,348.60 : 1,131,522.90 = 725,318.20 : x
  2. Step 2: Convert to fraction form
    754,348.60/1,131,522.90 = 725,318.20/x
  3. Step 3: Cross multiply
    754,348.60x = 1,131,522.90 × 725,318.20
  4. Step 4: Simplify right side
    754,348.60x = 820,714,153,086.78
  5. Step 5: Solve for x
    x = 820,714,153,086.78/754,348.60
  6. Step 6: Final answer
    x = 1,087,977.30

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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.