Home / 1,776,049.20-2,662,761.60-978,231.60

Finding the Fourth Proportional to 1,776,049.20, 2,662,761.60 and 978,231.60

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Solution

The fourth proportional to 1,776,049.20, 2,662,761.60 and 978,231.60 is: 1,466,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,049.20 : 2,662,761.60 = 978,231.60 : x
  2. Step 2: Convert to fraction form
    1,776,049.20/2,662,761.60 = 978,231.60/x
  3. Step 3: Cross multiply
    1,776,049.20x = 2,662,761.60 × 978,231.60
  4. Step 4: Simplify right side
    1,776,049.20x = 2,604,797,540,386.56
  5. Step 5: Solve for x
    x = 2,604,797,540,386.56/1,776,049.20
  6. Step 6: Final answer
    x = 1,466,624.65

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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.