Home / 1,341,620.38-1,851,445.89-729,778.44

Finding the Fourth Proportional to 1,341,620.38, 1,851,445.89 and 729,778.44

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Solution

The fourth proportional to 1,341,620.38, 1,851,445.89 and 729,778.44 is: 1,007,099.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,620.38 : 1,851,445.89 = 729,778.44 : x
  2. Step 2: Convert to fraction form
    1,341,620.38/1,851,445.89 = 729,778.44/x
  3. Step 3: Cross multiply
    1,341,620.38x = 1,851,445.89 × 729,778.44
  4. Step 4: Simplify right side
    1,341,620.38x = 1,351,145,293,348.61
  5. Step 5: Solve for x
    x = 1,351,145,293,348.61/1,341,620.38
  6. Step 6: Final answer
    x = 1,007,099.56

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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.