Home / 1,485,229.90-2,227,930.74-420,182.74

Finding the Fourth Proportional to 1,485,229.90, 2,227,930.74 and 420,182.74

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Solution

The fourth proportional to 1,485,229.90, 2,227,930.74 and 420,182.74 is: 630,298.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,229.90 : 2,227,930.74 = 420,182.74 : x
  2. Step 2: Convert to fraction form
    1,485,229.90/2,227,930.74 = 420,182.74/x
  3. Step 3: Cross multiply
    1,485,229.90x = 2,227,930.74 × 420,182.74
  4. Step 4: Simplify right side
    1,485,229.90x = 936,138,042,863.43
  5. Step 5: Solve for x
    x = 936,138,042,863.43/1,485,229.90
  6. Step 6: Final answer
    x = 630,298.41

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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.