Home / 1,272,331.26-1,755,797.46-699,359.12

Finding the Fourth Proportional to 1,272,331.26, 1,755,797.46 and 699,359.12

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Solution

The fourth proportional to 1,272,331.26, 1,755,797.46 and 699,359.12 is: 965,104.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,331.26 : 1,755,797.46 = 699,359.12 : x
  2. Step 2: Convert to fraction form
    1,272,331.26/1,755,797.46 = 699,359.12/x
  3. Step 3: Cross multiply
    1,272,331.26x = 1,755,797.46 × 699,359.12
  4. Step 4: Simplify right side
    1,272,331.26x = 1,227,932,966,523.84
  5. Step 5: Solve for x
    x = 1,227,932,966,523.84/1,272,331.26
  6. Step 6: Final answer
    x = 965,104.77

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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.