Home / 1,511,635.54-2,267,439.19-612,863.62

Finding the Fourth Proportional to 1,511,635.54, 2,267,439.19 and 612,863.62

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Solution

The fourth proportional to 1,511,635.54, 2,267,439.19 and 612,863.62 is: 919,289.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,635.54 : 2,267,439.19 = 612,863.62 : x
  2. Step 2: Convert to fraction form
    1,511,635.54/2,267,439.19 = 612,863.62/x
  3. Step 3: Cross multiply
    1,511,635.54x = 2,267,439.19 × 612,863.62
  4. Step 4: Simplify right side
    1,511,635.54x = 1,389,630,990,113.27
  5. Step 5: Solve for x
    x = 1,389,630,990,113.27/1,511,635.54
  6. Step 6: Final answer
    x = 919,289.71

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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.