Home / 1,427,876.61-2,142,375.65-628,597.37

Finding the Fourth Proportional to 1,427,876.61, 2,142,375.65 and 628,597.37

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Solution

The fourth proportional to 1,427,876.61, 2,142,375.65 and 628,597.37 is: 943,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,876.61 : 2,142,375.65 = 628,597.37 : x
  2. Step 2: Convert to fraction form
    1,427,876.61/2,142,375.65 = 628,597.37/x
  3. Step 3: Cross multiply
    1,427,876.61x = 2,142,375.65 × 628,597.37
  4. Step 4: Simplify right side
    1,427,876.61x = 1,346,691,685,287.18
  5. Step 5: Solve for x
    x = 1,346,691,685,287.18/1,427,876.61
  6. Step 6: Final answer
    x = 943,142.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.