Home / 1,152,180.11-1,589,565.08-721,710.83

Finding the Fourth Proportional to 1,152,180.11, 1,589,565.08 and 721,710.83

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Solution

The fourth proportional to 1,152,180.11, 1,589,565.08 and 721,710.83 is: 995,683.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,180.11 : 1,589,565.08 = 721,710.83 : x
  2. Step 2: Convert to fraction form
    1,152,180.11/1,589,565.08 = 721,710.83/x
  3. Step 3: Cross multiply
    1,152,180.11x = 1,589,565.08 × 721,710.83
  4. Step 4: Simplify right side
    1,152,180.11x = 1,147,206,327,082.27
  5. Step 5: Solve for x
    x = 1,147,206,327,082.27/1,152,180.11
  6. Step 6: Final answer
    x = 995,683.16

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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.