Home / 1,394,531.40-2,091,797.10-969,378.60

Finding the Fourth Proportional to 1,394,531.40, 2,091,797.10 and 969,378.60

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Solution

The fourth proportional to 1,394,531.40, 2,091,797.10 and 969,378.60 is: 1,454,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,531.40 : 2,091,797.10 = 969,378.60 : x
  2. Step 2: Convert to fraction form
    1,394,531.40/2,091,797.10 = 969,378.60/x
  3. Step 3: Cross multiply
    1,394,531.40x = 2,091,797.10 × 969,378.60
  4. Step 4: Simplify right side
    1,394,531.40x = 2,027,743,344,282.06
  5. Step 5: Solve for x
    x = 2,027,743,344,282.06/1,394,531.40
  6. Step 6: Final answer
    x = 1,454,067.90

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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.