Home / 1,344,128.80-2,016,193.20-966,215.20

Finding the Fourth Proportional to 1,344,128.80, 2,016,193.20 and 966,215.20

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Solution

The fourth proportional to 1,344,128.80, 2,016,193.20 and 966,215.20 is: 1,449,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,128.80 : 2,016,193.20 = 966,215.20 : x
  2. Step 2: Convert to fraction form
    1,344,128.80/2,016,193.20 = 966,215.20/x
  3. Step 3: Cross multiply
    1,344,128.80x = 2,016,193.20 × 966,215.20
  4. Step 4: Simplify right side
    1,344,128.80x = 1,948,076,515,976.64
  5. Step 5: Solve for x
    x = 1,948,076,515,976.64/1,344,128.80
  6. Step 6: Final answer
    x = 1,449,322.80

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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.