Home / 1,107,947.79-1,660,609.49-508,403.61

Finding the Fourth Proportional to 1,107,947.79, 1,660,609.49 and 508,403.61

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Solution

The fourth proportional to 1,107,947.79, 1,660,609.49 and 508,403.61 is: 762,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,947.79 : 1,660,609.49 = 508,403.61 : x
  2. Step 2: Convert to fraction form
    1,107,947.79/1,660,609.49 = 508,403.61/x
  3. Step 3: Cross multiply
    1,107,947.79x = 1,660,609.49 × 508,403.61
  4. Step 4: Simplify right side
    1,107,947.79x = 844,259,856,974.24
  5. Step 5: Solve for x
    x = 844,259,856,974.24/1,107,947.79
  6. Step 6: Final answer
    x = 762,003.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.