Home / 1,612,418.27-2,418,977.30-490,458.11

Finding the Fourth Proportional to 1,612,418.27, 2,418,977.30 and 490,458.11

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Solution

The fourth proportional to 1,612,418.27, 2,418,977.30 and 490,458.11 is: 735,793.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,418.27 : 2,418,977.30 = 490,458.11 : x
  2. Step 2: Convert to fraction form
    1,612,418.27/2,418,977.30 = 490,458.11/x
  3. Step 3: Cross multiply
    1,612,418.27x = 2,418,977.30 × 490,458.11
  4. Step 4: Simplify right side
    1,612,418.27x = 1,186,407,020,143.73
  5. Step 5: Solve for x
    x = 1,186,407,020,143.73/1,612,418.27
  6. Step 6: Final answer
    x = 735,793.59

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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.