Home / 1,327,229-1,990,850.80-329,957

Finding the Fourth Proportional to 1,327,229, 1,990,850.80 and 329,957

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Solution

The fourth proportional to 1,327,229, 1,990,850.80 and 329,957 is: 494,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,229 : 1,990,850.80 = 329,957 : x
  2. Step 2: Convert to fraction form
    1,327,229/1,990,850.80 = 329,957/x
  3. Step 3: Cross multiply
    1,327,229x = 1,990,850.80 × 329,957
  4. Step 4: Simplify right side
    1,327,229x = 656,895,157,415.60
  5. Step 5: Solve for x
    x = 656,895,157,415.60/1,327,229
  6. Step 6: Final answer
    x = 494,937.31

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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.