Home / 755,240.10-1,132,860.15-726,209.70

Finding the Fourth Proportional to 755,240.10, 1,132,860.15 and 726,209.70

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Solution

The fourth proportional to 755,240.10, 1,132,860.15 and 726,209.70 is: 1,089,314.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,240.10 : 1,132,860.15 = 726,209.70 : x
  2. Step 2: Convert to fraction form
    755,240.10/1,132,860.15 = 726,209.70/x
  3. Step 3: Cross multiply
    755,240.10x = 1,132,860.15 × 726,209.70
  4. Step 4: Simplify right side
    755,240.10x = 822,694,029,673.46
  5. Step 5: Solve for x
    x = 822,694,029,673.46/755,240.10
  6. Step 6: Final answer
    x = 1,089,314.55

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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.