Home / 1,271,116.57-1,754,175.12-747,863.70

Finding the Fourth Proportional to 1,271,116.57, 1,754,175.12 and 747,863.70

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Solution

The fourth proportional to 1,271,116.57, 1,754,175.12 and 747,863.70 is: 1,032,072.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,116.57 : 1,754,175.12 = 747,863.70 : x
  2. Step 2: Convert to fraction form
    1,271,116.57/1,754,175.12 = 747,863.70/x
  3. Step 3: Cross multiply
    1,271,116.57x = 1,754,175.12 × 747,863.70
  4. Step 4: Simplify right side
    1,271,116.57x = 1,311,883,895,691.14
  5. Step 5: Solve for x
    x = 1,311,883,895,691.14/1,271,116.57
  6. Step 6: Final answer
    x = 1,032,072.06

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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.