Home / 1,729,456.48-2,591,079.18-1,055,189.80

Finding the Fourth Proportional to 1,729,456.48, 2,591,079.18 and 1,055,189.80

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Solution

The fourth proportional to 1,729,456.48, 2,591,079.18 and 1,055,189.80 is: 1,580,889.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,456.48 : 2,591,079.18 = 1,055,189.80 : x
  2. Step 2: Convert to fraction form
    1,729,456.48/2,591,079.18 = 1,055,189.80/x
  3. Step 3: Cross multiply
    1,729,456.48x = 2,591,079.18 × 1,055,189.80
  4. Step 4: Simplify right side
    1,729,456.48x = 2,734,080,321,728.36
  5. Step 5: Solve for x
    x = 2,734,080,321,728.36/1,729,456.48
  6. Step 6: Final answer
    x = 1,580,889.92

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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.