Home / 1,438,967.38-1,985,791.08-794,387.92

Finding the Fourth Proportional to 1,438,967.38, 1,985,791.08 and 794,387.92

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Solution

The fourth proportional to 1,438,967.38, 1,985,791.08 and 794,387.92 is: 1,096,264.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,967.38 : 1,985,791.08 = 794,387.92 : x
  2. Step 2: Convert to fraction form
    1,438,967.38/1,985,791.08 = 794,387.92/x
  3. Step 3: Cross multiply
    1,438,967.38x = 1,985,791.08 × 794,387.92
  4. Step 4: Simplify right side
    1,438,967.38x = 1,577,488,445,595.75
  5. Step 5: Solve for x
    x = 1,577,488,445,595.75/1,438,967.38
  6. Step 6: Final answer
    x = 1,096,264.22

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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.