Home / 1,236,121.38-1,854,471.24-383,148.36

Finding the Fourth Proportional to 1,236,121.38, 1,854,471.24 and 383,148.36

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Solution

The fourth proportional to 1,236,121.38, 1,854,471.24 and 383,148.36 is: 574,812.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,121.38 : 1,854,471.24 = 383,148.36 : x
  2. Step 2: Convert to fraction form
    1,236,121.38/1,854,471.24 = 383,148.36/x
  3. Step 3: Cross multiply
    1,236,121.38x = 1,854,471.24 × 383,148.36
  4. Step 4: Simplify right side
    1,236,121.38x = 710,537,614,273.17
  5. Step 5: Solve for x
    x = 710,537,614,273.17/1,236,121.38
  6. Step 6: Final answer
    x = 574,812.17

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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.