Home / 729,113.10-1,093,669.65-684,789.90

Finding the Fourth Proportional to 729,113.10, 1,093,669.65 and 684,789.90

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Solution

The fourth proportional to 729,113.10, 1,093,669.65 and 684,789.90 is: 1,027,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,113.10 : 1,093,669.65 = 684,789.90 : x
  2. Step 2: Convert to fraction form
    729,113.10/1,093,669.65 = 684,789.90/x
  3. Step 3: Cross multiply
    729,113.10x = 1,093,669.65 × 684,789.90
  4. Step 4: Simplify right side
    729,113.10x = 748,933,930,256.54
  5. Step 5: Solve for x
    x = 748,933,930,256.54/729,113.10
  6. Step 6: Final answer
    x = 1,027,184.85

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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.