Home / 925,635.52-1,387,017.15-641,879.56

Finding the Fourth Proportional to 925,635.52, 1,387,017.15 and 641,879.56

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Solution

The fourth proportional to 925,635.52, 1,387,017.15 and 641,879.56 is: 961,823.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,635.52 : 1,387,017.15 = 641,879.56 : x
  2. Step 2: Convert to fraction form
    925,635.52/1,387,017.15 = 641,879.56/x
  3. Step 3: Cross multiply
    925,635.52x = 1,387,017.15 × 641,879.56
  4. Step 4: Simplify right side
    925,635.52x = 890,297,957,954.45
  5. Step 5: Solve for x
    x = 890,297,957,954.45/925,635.52
  6. Step 6: Final answer
    x = 961,823.46

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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.