Home / 801,739.20-1,202,608.80-729,422.40

Finding the Fourth Proportional to 801,739.20, 1,202,608.80 and 729,422.40

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Solution

The fourth proportional to 801,739.20, 1,202,608.80 and 729,422.40 is: 1,094,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,739.20 : 1,202,608.80 = 729,422.40 : x
  2. Step 2: Convert to fraction form
    801,739.20/1,202,608.80 = 729,422.40/x
  3. Step 3: Cross multiply
    801,739.20x = 1,202,608.80 × 729,422.40
  4. Step 4: Simplify right side
    801,739.20x = 877,209,797,157.12
  5. Step 5: Solve for x
    x = 877,209,797,157.12/801,739.20
  6. Step 6: Final answer
    x = 1,094,133.60

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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.