Home / 798,192.30-1,197,288.45-782,445.90

Finding the Fourth Proportional to 798,192.30, 1,197,288.45 and 782,445.90

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Solution

The fourth proportional to 798,192.30, 1,197,288.45 and 782,445.90 is: 1,173,668.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,192.30 : 1,197,288.45 = 782,445.90 : x
  2. Step 2: Convert to fraction form
    798,192.30/1,197,288.45 = 782,445.90/x
  3. Step 3: Cross multiply
    798,192.30x = 1,197,288.45 × 782,445.90
  4. Step 4: Simplify right side
    798,192.30x = 936,813,438,819.86
  5. Step 5: Solve for x
    x = 936,813,438,819.86/798,192.30
  6. Step 6: Final answer
    x = 1,173,668.85

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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.