Home / 1,180,359.52-1,629,022.28-721,742.88

Finding the Fourth Proportional to 1,180,359.52, 1,629,022.28 and 721,742.88

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Solution

The fourth proportional to 1,180,359.52, 1,629,022.28 and 721,742.88 is: 996,082.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,359.52 : 1,629,022.28 = 721,742.88 : x
  2. Step 2: Convert to fraction form
    1,180,359.52/1,629,022.28 = 721,742.88/x
  3. Step 3: Cross multiply
    1,180,359.52x = 1,629,022.28 × 721,742.88
  4. Step 4: Simplify right side
    1,180,359.52x = 1,175,735,234,451.49
  5. Step 5: Solve for x
    x = 1,175,735,234,451.49/1,180,359.52
  6. Step 6: Final answer
    x = 996,082.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.