Home / 729,679.20-1,094,518.80-679,912.80

Finding the Fourth Proportional to 729,679.20, 1,094,518.80 and 679,912.80

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Solution

The fourth proportional to 729,679.20, 1,094,518.80 and 679,912.80 is: 1,019,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,679.20 : 1,094,518.80 = 679,912.80 : x
  2. Step 2: Convert to fraction form
    729,679.20/1,094,518.80 = 679,912.80/x
  3. Step 3: Cross multiply
    729,679.20x = 1,094,518.80 × 679,912.80
  4. Step 4: Simplify right side
    729,679.20x = 744,177,341,960.64
  5. Step 5: Solve for x
    x = 744,177,341,960.64/729,679.20
  6. Step 6: Final answer
    x = 1,019,869.20

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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.