Home / 1,170,073.30-1,755,109.95-990,711.97

Finding the Fourth Proportional to 1,170,073.30, 1,755,109.95 and 990,711.97

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Solution

The fourth proportional to 1,170,073.30, 1,755,109.95 and 990,711.97 is: 1,486,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,073.30 : 1,755,109.95 = 990,711.97 : x
  2. Step 2: Convert to fraction form
    1,170,073.30/1,755,109.95 = 990,711.97/x
  3. Step 3: Cross multiply
    1,170,073.30x = 1,755,109.95 × 990,711.97
  4. Step 4: Simplify right side
    1,170,073.30x = 1,738,808,436,131.10
  5. Step 5: Solve for x
    x = 1,738,808,436,131.10/1,170,073.30
  6. Step 6: Final answer
    x = 1,486,067.96

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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.