Home / 1,108,863-1,530,142.92-625,273.56

Finding the Fourth Proportional to 1,108,863, 1,530,142.92 and 625,273.56

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Solution

The fourth proportional to 1,108,863, 1,530,142.92 and 625,273.56 is: 862,827.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,863 : 1,530,142.92 = 625,273.56 : x
  2. Step 2: Convert to fraction form
    1,108,863/1,530,142.92 = 625,273.56/x
  3. Step 3: Cross multiply
    1,108,863x = 1,530,142.92 × 625,273.56
  4. Step 4: Simplify right side
    1,108,863x = 956,757,910,897.20
  5. Step 5: Solve for x
    x = 956,757,910,897.20/1,108,863
  6. Step 6: Final answer
    x = 862,827.88

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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.