Home / 1,098,082.20-1,647,123.30-739,359.53

Finding the Fourth Proportional to 1,098,082.20, 1,647,123.30 and 739,359.53

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Solution

The fourth proportional to 1,098,082.20, 1,647,123.30 and 739,359.53 is: 1,109,039.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,082.20 : 1,647,123.30 = 739,359.53 : x
  2. Step 2: Convert to fraction form
    1,098,082.20/1,647,123.30 = 739,359.53/x
  3. Step 3: Cross multiply
    1,098,082.20x = 1,647,123.30 × 739,359.53
  4. Step 4: Simplify right side
    1,098,082.20x = 1,217,816,300,704.43
  5. Step 5: Solve for x
    x = 1,217,816,300,704.43/1,098,082.20
  6. Step 6: Final answer
    x = 1,109,039.29

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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.