Home / 1,271,724.80-1,755,132.80-762,707.20

Finding the Fourth Proportional to 1,271,724.80, 1,755,132.80 and 762,707.20

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Solution

The fourth proportional to 1,271,724.80, 1,755,132.80 and 762,707.20 is: 1,052,627.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,724.80 : 1,755,132.80 = 762,707.20 : x
  2. Step 2: Convert to fraction form
    1,271,724.80/1,755,132.80 = 762,707.20/x
  3. Step 3: Cross multiply
    1,271,724.80x = 1,755,132.80 × 762,707.20
  4. Step 4: Simplify right side
    1,271,724.80x = 1,338,652,423,516.16
  5. Step 5: Solve for x
    x = 1,338,652,423,516.16/1,271,724.80
  6. Step 6: Final answer
    x = 1,052,627.44

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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.