Home / 1,678,081.20-2,517,121.80-967,524.90

Finding the Fourth Proportional to 1,678,081.20, 2,517,121.80 and 967,524.90

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Solution

The fourth proportional to 1,678,081.20, 2,517,121.80 and 967,524.90 is: 1,451,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,081.20 : 2,517,121.80 = 967,524.90 : x
  2. Step 2: Convert to fraction form
    1,678,081.20/2,517,121.80 = 967,524.90/x
  3. Step 3: Cross multiply
    1,678,081.20x = 2,517,121.80 × 967,524.90
  4. Step 4: Simplify right side
    1,678,081.20x = 2,435,378,017,832.82
  5. Step 5: Solve for x
    x = 2,435,378,017,832.82/1,678,081.20
  6. Step 6: Final answer
    x = 1,451,287.35

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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.