Home / 1,239,244.56-1,858,691.16-397,687.44

Finding the Fourth Proportional to 1,239,244.56, 1,858,691.16 and 397,687.44

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Solution

The fourth proportional to 1,239,244.56, 1,858,691.16 and 397,687.44 is: 596,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,244.56 : 1,858,691.16 = 397,687.44 : x
  2. Step 2: Convert to fraction form
    1,239,244.56/1,858,691.16 = 397,687.44/x
  3. Step 3: Cross multiply
    1,239,244.56x = 1,858,691.16 × 397,687.44
  4. Step 4: Simplify right side
    1,239,244.56x = 739,178,129,171.03
  5. Step 5: Solve for x
    x = 739,178,129,171.03/1,239,244.56
  6. Step 6: Final answer
    x = 596,474.78

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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.