Home / 1,103,856.22-1,523,447.80-613,874.57

Finding the Fourth Proportional to 1,103,856.22, 1,523,447.80 and 613,874.57

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Solution

The fourth proportional to 1,103,856.22, 1,523,447.80 and 613,874.57 is: 847,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,856.22 : 1,523,447.80 = 613,874.57 : x
  2. Step 2: Convert to fraction form
    1,103,856.22/1,523,447.80 = 613,874.57/x
  3. Step 3: Cross multiply
    1,103,856.22x = 1,523,447.80 × 613,874.57
  4. Step 4: Simplify right side
    1,103,856.22x = 935,205,853,990.52
  5. Step 5: Solve for x
    x = 935,205,853,990.52/1,103,856.22
  6. Step 6: Final answer
    x = 847,217.09

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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.