Home / 1,127,824.44-1,691,836.12-318,215.94

Finding the Fourth Proportional to 1,127,824.44, 1,691,836.12 and 318,215.94

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Solution

The fourth proportional to 1,127,824.44, 1,691,836.12 and 318,215.94 is: 477,351.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,824.44 : 1,691,836.12 = 318,215.94 : x
  2. Step 2: Convert to fraction form
    1,127,824.44/1,691,836.12 = 318,215.94/x
  3. Step 3: Cross multiply
    1,127,824.44x = 1,691,836.12 × 318,215.94
  4. Step 4: Simplify right side
    1,127,824.44x = 538,369,221,251.75
  5. Step 5: Solve for x
    x = 538,369,221,251.75/1,127,824.44
  6. Step 6: Final answer
    x = 477,351.97

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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.