Home / 1,172,125.40-1,758,771.30-667,074.20

Finding the Fourth Proportional to 1,172,125.40, 1,758,771.30 and 667,074.20

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Solution

The fourth proportional to 1,172,125.40, 1,758,771.30 and 667,074.20 is: 1,000,943.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,125.40 : 1,758,771.30 = 667,074.20 : x
  2. Step 2: Convert to fraction form
    1,172,125.40/1,758,771.30 = 667,074.20/x
  3. Step 3: Cross multiply
    1,172,125.40x = 1,758,771.30 × 667,074.20
  4. Step 4: Simplify right side
    1,172,125.40x = 1,173,230,957,930.46
  5. Step 5: Solve for x
    x = 1,173,230,957,930.46/1,172,125.40
  6. Step 6: Final answer
    x = 1,000,943.21

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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.