Home / 990,691.28-1,367,130.83-582,819.38

Finding the Fourth Proportional to 990,691.28, 1,367,130.83 and 582,819.38

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Solution

The fourth proportional to 990,691.28, 1,367,130.83 and 582,819.38 is: 804,277.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,691.28 : 1,367,130.83 = 582,819.38 : x
  2. Step 2: Convert to fraction form
    990,691.28/1,367,130.83 = 582,819.38/x
  3. Step 3: Cross multiply
    990,691.28x = 1,367,130.83 × 582,819.38
  4. Step 4: Simplify right side
    990,691.28x = 796,790,347,594.36
  5. Step 5: Solve for x
    x = 796,790,347,594.36/990,691.28
  6. Step 6: Final answer
    x = 804,277.14

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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.