Home / 1,375,042.08-1,897,519.56-754,847.15

Finding the Fourth Proportional to 1,375,042.08, 1,897,519.56 and 754,847.15

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Solution

The fourth proportional to 1,375,042.08, 1,897,519.56 and 754,847.15 is: 1,041,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,042.08 : 1,897,519.56 = 754,847.15 : x
  2. Step 2: Convert to fraction form
    1,375,042.08/1,897,519.56 = 754,847.15/x
  3. Step 3: Cross multiply
    1,375,042.08x = 1,897,519.56 × 754,847.15
  4. Step 4: Simplify right side
    1,375,042.08x = 1,432,337,222,447.66
  5. Step 5: Solve for x
    x = 1,432,337,222,447.66/1,375,042.08
  6. Step 6: Final answer
    x = 1,041,667.92

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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.