Home / 814,454.19-1,221,926.45-734,115.20

Finding the Fourth Proportional to 814,454.19, 1,221,926.45 and 734,115.20

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Solution

The fourth proportional to 814,454.19, 1,221,926.45 and 734,115.20 is: 1,101,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,454.19 : 1,221,926.45 = 734,115.20 : x
  2. Step 2: Convert to fraction form
    814,454.19/1,221,926.45 = 734,115.20/x
  3. Step 3: Cross multiply
    814,454.19x = 1,221,926.45 × 734,115.20
  4. Step 4: Simplify right side
    814,454.19x = 897,034,770,446.83
  5. Step 5: Solve for x
    x = 897,034,770,446.83/814,454.19
  6. Step 6: Final answer
    x = 1,101,393.77

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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.