Home / 2,279,239.65-3,419,040.51-762,930.59

Finding the Fourth Proportional to 2,279,239.65, 3,419,040.51 and 762,930.59

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Solution

The fourth proportional to 2,279,239.65, 3,419,040.51 and 762,930.59 is: 1,144,456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,239.65 : 3,419,040.51 = 762,930.59 : x
  2. Step 2: Convert to fraction form
    2,279,239.65/3,419,040.51 = 762,930.59/x
  3. Step 3: Cross multiply
    2,279,239.65x = 3,419,040.51 × 762,930.59
  4. Step 4: Simplify right side
    2,279,239.65x = 2,608,490,576,433.00
  5. Step 5: Solve for x
    x = 2,608,490,576,433.00/2,279,239.65
  6. Step 6: Final answer
    x = 1,144,456.48

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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.