Home / 1,120,968.10-1,681,452.15-672,195.70

Finding the Fourth Proportional to 1,120,968.10, 1,681,452.15 and 672,195.70

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Solution

The fourth proportional to 1,120,968.10, 1,681,452.15 and 672,195.70 is: 1,008,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,968.10 : 1,681,452.15 = 672,195.70 : x
  2. Step 2: Convert to fraction form
    1,120,968.10/1,681,452.15 = 672,195.70/x
  3. Step 3: Cross multiply
    1,120,968.10x = 1,681,452.15 × 672,195.70
  4. Step 4: Simplify right side
    1,120,968.10x = 1,130,264,904,985.75
  5. Step 5: Solve for x
    x = 1,130,264,904,985.75/1,120,968.10
  6. Step 6: Final answer
    x = 1,008,293.55

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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.