Home / 1,172,080.42-1,755,845.76-863,772.47

Finding the Fourth Proportional to 1,172,080.42, 1,755,845.76 and 863,772.47

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Solution

The fourth proportional to 1,172,080.42, 1,755,845.76 and 863,772.47 is: 1,293,982.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,080.42 : 1,755,845.76 = 863,772.47 : x
  2. Step 2: Convert to fraction form
    1,172,080.42/1,755,845.76 = 863,772.47/x
  3. Step 3: Cross multiply
    1,172,080.42x = 1,755,845.76 × 863,772.47
  4. Step 4: Simplify right side
    1,172,080.42x = 1,516,651,220,275.00
  5. Step 5: Solve for x
    x = 1,516,651,220,275.00/1,172,080.42
  6. Step 6: Final answer
    x = 1,293,982.22

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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.