Home / 1,414,874.66-2,120,419.01-694,112.36

Finding the Fourth Proportional to 1,414,874.66, 2,120,419.01 and 694,112.36

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Solution

The fourth proportional to 1,414,874.66, 2,120,419.01 and 694,112.36 is: 1,040,239.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,874.66 : 2,120,419.01 = 694,112.36 : x
  2. Step 2: Convert to fraction form
    1,414,874.66/2,120,419.01 = 694,112.36/x
  3. Step 3: Cross multiply
    1,414,874.66x = 2,120,419.01 × 694,112.36
  4. Step 4: Simplify right side
    1,414,874.66x = 1,471,809,034,353.15
  5. Step 5: Solve for x
    x = 1,471,809,034,353.15/1,414,874.66
  6. Step 6: Final answer
    x = 1,040,239.88

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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.