Home / 1,147,472.19-1,721,188.85-399,498.75

Finding the Fourth Proportional to 1,147,472.19, 1,721,188.85 and 399,498.75

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Solution

The fourth proportional to 1,147,472.19, 1,721,188.85 and 399,498.75 is: 599,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,472.19 : 1,721,188.85 = 399,498.75 : x
  2. Step 2: Convert to fraction form
    1,147,472.19/1,721,188.85 = 399,498.75/x
  3. Step 3: Cross multiply
    1,147,472.19x = 1,721,188.85 × 399,498.75
  4. Step 4: Simplify right side
    1,147,472.19x = 687,612,792,091.44
  5. Step 5: Solve for x
    x = 687,612,792,091.44/1,147,472.19
  6. Step 6: Final answer
    x = 599,241.36

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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.