Home / 1,245,726.57-1,719,102.24-672,766.86

Finding the Fourth Proportional to 1,245,726.57, 1,719,102.24 and 672,766.86

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Solution

The fourth proportional to 1,245,726.57, 1,719,102.24 and 672,766.86 is: 928,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,726.57 : 1,719,102.24 = 672,766.86 : x
  2. Step 2: Convert to fraction form
    1,245,726.57/1,719,102.24 = 672,766.86/x
  3. Step 3: Cross multiply
    1,245,726.57x = 1,719,102.24 × 672,766.86
  4. Step 4: Simplify right side
    1,245,726.57x = 1,156,555,016,023.77
  5. Step 5: Solve for x
    x = 1,156,555,016,023.77/1,245,726.57
  6. Step 6: Final answer
    x = 928,418.04

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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.