Home / 755,169.60-1,132,754.40-726,139.20

Finding the Fourth Proportional to 755,169.60, 1,132,754.40 and 726,139.20

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Solution

The fourth proportional to 755,169.60, 1,132,754.40 and 726,139.20 is: 1,089,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,169.60 : 1,132,754.40 = 726,139.20 : x
  2. Step 2: Convert to fraction form
    755,169.60/1,132,754.40 = 726,139.20/x
  3. Step 3: Cross multiply
    755,169.60x = 1,132,754.40 × 726,139.20
  4. Step 4: Simplify right side
    755,169.60x = 822,537,373,812.48
  5. Step 5: Solve for x
    x = 822,537,373,812.48/755,169.60
  6. Step 6: Final answer
    x = 1,089,208.80

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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.