Home / 1,339,081.20-2,008,731.06-628,721.73

Finding the Fourth Proportional to 1,339,081.20, 2,008,731.06 and 628,721.73

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Solution

The fourth proportional to 1,339,081.20, 2,008,731.06 and 628,721.73 is: 943,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,081.20 : 2,008,731.06 = 628,721.73 : x
  2. Step 2: Convert to fraction form
    1,339,081.20/2,008,731.06 = 628,721.73/x
  3. Step 3: Cross multiply
    1,339,081.20x = 2,008,731.06 × 628,721.73
  4. Step 4: Simplify right side
    1,339,081.20x = 1,262,932,867,147.93
  5. Step 5: Solve for x
    x = 1,262,932,867,147.93/1,339,081.20
  6. Step 6: Final answer
    x = 943,133.89

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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.