Home / 1,029,332.80-1,543,999.20-763,612.30

Finding the Fourth Proportional to 1,029,332.80, 1,543,999.20 and 763,612.30

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Solution

The fourth proportional to 1,029,332.80, 1,543,999.20 and 763,612.30 is: 1,145,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,332.80 : 1,543,999.20 = 763,612.30 : x
  2. Step 2: Convert to fraction form
    1,029,332.80/1,543,999.20 = 763,612.30/x
  3. Step 3: Cross multiply
    1,029,332.80x = 1,543,999.20 × 763,612.30
  4. Step 4: Simplify right side
    1,029,332.80x = 1,179,016,780,310.16
  5. Step 5: Solve for x
    x = 1,179,016,780,310.16/1,029,332.80
  6. Step 6: Final answer
    x = 1,145,418.45

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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.