Home / 1,242,679.38-1,864,000.34-559,083.47

Finding the Fourth Proportional to 1,242,679.38, 1,864,000.34 and 559,083.47

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Solution

The fourth proportional to 1,242,679.38, 1,864,000.34 and 559,083.47 is: 838,616.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,679.38 : 1,864,000.34 = 559,083.47 : x
  2. Step 2: Convert to fraction form
    1,242,679.38/1,864,000.34 = 559,083.47/x
  3. Step 3: Cross multiply
    1,242,679.38x = 1,864,000.34 × 559,083.47
  4. Step 4: Simplify right side
    1,242,679.38x = 1,042,131,785,624.53
  5. Step 5: Solve for x
    x = 1,042,131,785,624.53/1,242,679.38
  6. Step 6: Final answer
    x = 838,616.78

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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.