Home / 1,000,675.31-1,380,930.09-541,789.82

Finding the Fourth Proportional to 1,000,675.31, 1,380,930.09 and 541,789.82

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Solution

The fourth proportional to 1,000,675.31, 1,380,930.09 and 541,789.82 is: 747,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,675.31 : 1,380,930.09 = 541,789.82 : x
  2. Step 2: Convert to fraction form
    1,000,675.31/1,380,930.09 = 541,789.82/x
  3. Step 3: Cross multiply
    1,000,675.31x = 1,380,930.09 × 541,789.82
  4. Step 4: Simplify right side
    1,000,675.31x = 748,173,857,989.03
  5. Step 5: Solve for x
    x = 748,173,857,989.03/1,000,675.31
  6. Step 6: Final answer
    x = 747,668.95

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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.