Home / 1,394,546.40-2,091,819.60-942,821.55

Finding the Fourth Proportional to 1,394,546.40, 2,091,819.60 and 942,821.55

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Solution

The fourth proportional to 1,394,546.40, 2,091,819.60 and 942,821.55 is: 1,414,232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,546.40 : 2,091,819.60 = 942,821.55 : x
  2. Step 2: Convert to fraction form
    1,394,546.40/2,091,819.60 = 942,821.55/x
  3. Step 3: Cross multiply
    1,394,546.40x = 2,091,819.60 × 942,821.55
  4. Step 4: Simplify right side
    1,394,546.40x = 1,972,212,597,592.38
  5. Step 5: Solve for x
    x = 1,972,212,597,592.38/1,394,546.40
  6. Step 6: Final answer
    x = 1,414,232.33

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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.