Home / 1,092,789.12-1,508,148.48-663,178.56

Finding the Fourth Proportional to 1,092,789.12, 1,508,148.48 and 663,178.56

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Solution

The fourth proportional to 1,092,789.12, 1,508,148.48 and 663,178.56 is: 915,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,789.12 : 1,508,148.48 = 663,178.56 : x
  2. Step 2: Convert to fraction form
    1,092,789.12/1,508,148.48 = 663,178.56/x
  3. Step 3: Cross multiply
    1,092,789.12x = 1,508,148.48 × 663,178.56
  4. Step 4: Simplify right side
    1,092,789.12x = 1,000,171,737,232.59
  5. Step 5: Solve for x
    x = 1,000,171,737,232.59/1,092,789.12
  6. Step 6: Final answer
    x = 915,246.79

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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.