Home / 1,485,198.60-2,227,579.20-420,348.30

Finding the Fourth Proportional to 1,485,198.60, 2,227,579.20 and 420,348.30

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Solution

The fourth proportional to 1,485,198.60, 2,227,579.20 and 420,348.30 is: 630,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,198.60 : 2,227,579.20 = 420,348.30 : x
  2. Step 2: Convert to fraction form
    1,485,198.60/2,227,579.20 = 420,348.30/x
  3. Step 3: Cross multiply
    1,485,198.60x = 2,227,579.20 × 420,348.30
  4. Step 4: Simplify right side
    1,485,198.60x = 936,359,129,835.36
  5. Step 5: Solve for x
    x = 936,359,129,835.36/1,485,198.60
  6. Step 6: Final answer
    x = 630,460.55

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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.