Home / 915,105.68-1,262,542.92-552,392

Finding the Fourth Proportional to 915,105.68, 1,262,542.92 and 552,392

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Solution

The fourth proportional to 915,105.68, 1,262,542.92 and 552,392 is: 762,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,105.68 : 1,262,542.92 = 552,392 : x
  2. Step 2: Convert to fraction form
    915,105.68/1,262,542.92 = 552,392/x
  3. Step 3: Cross multiply
    915,105.68x = 1,262,542.92 × 552,392
  4. Step 4: Simplify right side
    915,105.68x = 697,418,608,664.64
  5. Step 5: Solve for x
    x = 697,418,608,664.64/915,105.68
  6. Step 6: Final answer
    x = 762,118.11

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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.