Home / 1,199,111.76-1,797,778.08-725,684.76

Finding the Fourth Proportional to 1,199,111.76, 1,797,778.08 and 725,684.76

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Solution

The fourth proportional to 1,199,111.76, 1,797,778.08 and 725,684.76 is: 1,087,988.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,111.76 : 1,797,778.08 = 725,684.76 : x
  2. Step 2: Convert to fraction form
    1,199,111.76/1,797,778.08 = 725,684.76/x
  3. Step 3: Cross multiply
    1,199,111.76x = 1,797,778.08 × 725,684.76
  4. Step 4: Simplify right side
    1,199,111.76x = 1,304,620,154,518.06
  5. Step 5: Solve for x
    x = 1,304,620,154,518.06/1,199,111.76
  6. Step 6: Final answer
    x = 1,087,988.79

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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.