Home / 754,209.60-1,131,314.40-725,179.20

Finding the Fourth Proportional to 754,209.60, 1,131,314.40 and 725,179.20

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Solution

The fourth proportional to 754,209.60, 1,131,314.40 and 725,179.20 is: 1,087,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,209.60 : 1,131,314.40 = 725,179.20 : x
  2. Step 2: Convert to fraction form
    754,209.60/1,131,314.40 = 725,179.20/x
  3. Step 3: Cross multiply
    754,209.60x = 1,131,314.40 × 725,179.20
  4. Step 4: Simplify right side
    754,209.60x = 820,405,671,540.48
  5. Step 5: Solve for x
    x = 820,405,671,540.48/754,209.60
  6. Step 6: Final answer
    x = 1,087,768.80

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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.