Home / 1,129,701.20-1,694,017.20-656,531.60

Finding the Fourth Proportional to 1,129,701.20, 1,694,017.20 and 656,531.60

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Solution

The fourth proportional to 1,129,701.20, 1,694,017.20 and 656,531.60 is: 984,486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,701.20 : 1,694,017.20 = 656,531.60 : x
  2. Step 2: Convert to fraction form
    1,129,701.20/1,694,017.20 = 656,531.60/x
  3. Step 3: Cross multiply
    1,129,701.20x = 1,694,017.20 × 656,531.60
  4. Step 4: Simplify right side
    1,129,701.20x = 1,112,175,822,743.52
  5. Step 5: Solve for x
    x = 1,112,175,822,743.52/1,129,701.20
  6. Step 6: Final answer
    x = 984,486.71

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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.