Home / 726,819.40-1,090,229.10-537,862.60

Finding the Fourth Proportional to 726,819.40, 1,090,229.10 and 537,862.60

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Solution

The fourth proportional to 726,819.40, 1,090,229.10 and 537,862.60 is: 806,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,819.40 : 1,090,229.10 = 537,862.60 : x
  2. Step 2: Convert to fraction form
    726,819.40/1,090,229.10 = 537,862.60/x
  3. Step 3: Cross multiply
    726,819.40x = 1,090,229.10 × 537,862.60
  4. Step 4: Simplify right side
    726,819.40x = 586,393,458,321.66
  5. Step 5: Solve for x
    x = 586,393,458,321.66/726,819.40
  6. Step 6: Final answer
    x = 806,793.90

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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.