Home / 1,120,127.44-1,545,892.52-690,396.52

Finding the Fourth Proportional to 1,120,127.44, 1,545,892.52 and 690,396.52

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Solution

The fourth proportional to 1,120,127.44, 1,545,892.52 and 690,396.52 is: 952,819.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,127.44 : 1,545,892.52 = 690,396.52 : x
  2. Step 2: Convert to fraction form
    1,120,127.44/1,545,892.52 = 690,396.52/x
  3. Step 3: Cross multiply
    1,120,127.44x = 1,545,892.52 × 690,396.52
  4. Step 4: Simplify right side
    1,120,127.44x = 1,067,278,808,785.32
  5. Step 5: Solve for x
    x = 1,067,278,808,785.32/1,120,127.44
  6. Step 6: Final answer
    x = 952,819.09

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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.