Home / 939,162.54-1,408,964.98-747,760.88

Finding the Fourth Proportional to 939,162.54, 1,408,964.98 and 747,760.88

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Solution

The fourth proportional to 939,162.54, 1,408,964.98 and 747,760.88 is: 1,121,817.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,162.54 : 1,408,964.98 = 747,760.88 : x
  2. Step 2: Convert to fraction form
    939,162.54/1,408,964.98 = 747,760.88/x
  3. Step 3: Cross multiply
    939,162.54x = 1,408,964.98 × 747,760.88
  4. Step 4: Simplify right side
    939,162.54x = 1,053,568,893,333.98
  5. Step 5: Solve for x
    x = 1,053,568,893,333.98/939,162.54
  6. Step 6: Final answer
    x = 1,121,817.42

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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.