Home / 1,284,753.97-1,925,028.60-777,778.30

Finding the Fourth Proportional to 1,284,753.97, 1,925,028.60 and 777,778.30

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Solution

The fourth proportional to 1,284,753.97, 1,925,028.60 and 777,778.30 is: 1,165,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,753.97 : 1,925,028.60 = 777,778.30 : x
  2. Step 2: Convert to fraction form
    1,284,753.97/1,925,028.60 = 777,778.30/x
  3. Step 3: Cross multiply
    1,284,753.97x = 1,925,028.60 × 777,778.30
  4. Step 4: Simplify right side
    1,284,753.97x = 1,497,245,471,959.38
  5. Step 5: Solve for x
    x = 1,497,245,471,959.38/1,284,753.97
  6. Step 6: Final answer
    x = 1,165,394.70

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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.