Home / 1,271,723.80-1,755,131.42-762,706.20

Finding the Fourth Proportional to 1,271,723.80, 1,755,131.42 and 762,706.20

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Solution

The fourth proportional to 1,271,723.80, 1,755,131.42 and 762,706.20 is: 1,052,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,723.80 : 1,755,131.42 = 762,706.20 : x
  2. Step 2: Convert to fraction form
    1,271,723.80/1,755,131.42 = 762,706.20/x
  3. Step 3: Cross multiply
    1,271,723.80x = 1,755,131.42 × 762,706.20
  4. Step 4: Simplify right side
    1,271,723.80x = 1,338,649,615,848.80
  5. Step 5: Solve for x
    x = 1,338,649,615,848.80/1,271,723.80
  6. Step 6: Final answer
    x = 1,052,626.06

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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.