Home / 862,512.80-1,293,769.20-844,080.80

Finding the Fourth Proportional to 862,512.80, 1,293,769.20 and 844,080.80

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Solution

The fourth proportional to 862,512.80, 1,293,769.20 and 844,080.80 is: 1,266,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,512.80 : 1,293,769.20 = 844,080.80 : x
  2. Step 2: Convert to fraction form
    862,512.80/1,293,769.20 = 844,080.80/x
  3. Step 3: Cross multiply
    862,512.80x = 1,293,769.20 × 844,080.80
  4. Step 4: Simplify right side
    862,512.80x = 1,092,045,741,351.36
  5. Step 5: Solve for x
    x = 1,092,045,741,351.36/862,512.80
  6. Step 6: Final answer
    x = 1,266,121.20

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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.