Home / 1,126,310.13-1,689,447.11-273,388.77

Finding the Fourth Proportional to 1,126,310.13, 1,689,447.11 and 273,388.77

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Solution

The fourth proportional to 1,126,310.13, 1,689,447.11 and 273,388.77 is: 410,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,310.13 : 1,689,447.11 = 273,388.77 : x
  2. Step 2: Convert to fraction form
    1,126,310.13/1,689,447.11 = 273,388.77/x
  3. Step 3: Cross multiply
    1,126,310.13x = 1,689,447.11 × 273,388.77
  4. Step 4: Simplify right side
    1,126,310.13x = 461,875,866,016.01
  5. Step 5: Solve for x
    x = 461,875,866,016.01/1,126,310.13
  6. Step 6: Final answer
    x = 410,078.76

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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.