Home / 1,728,016.80-2,592,025.20-969,079.20

Finding the Fourth Proportional to 1,728,016.80, 2,592,025.20 and 969,079.20

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Solution

The fourth proportional to 1,728,016.80, 2,592,025.20 and 969,079.20 is: 1,453,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,016.80 : 2,592,025.20 = 969,079.20 : x
  2. Step 2: Convert to fraction form
    1,728,016.80/2,592,025.20 = 969,079.20/x
  3. Step 3: Cross multiply
    1,728,016.80x = 2,592,025.20 × 969,079.20
  4. Step 4: Simplify right side
    1,728,016.80x = 2,511,877,707,195.84
  5. Step 5: Solve for x
    x = 2,511,877,707,195.84/1,728,016.80
  6. Step 6: Final answer
    x = 1,453,618.80

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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.