Home / 820,921.80-1,229,049.90-727,609.80

Finding the Fourth Proportional to 820,921.80, 1,229,049.90 and 727,609.80

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Solution

The fourth proportional to 820,921.80, 1,229,049.90 and 727,609.80 is: 1,089,347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,921.80 : 1,229,049.90 = 727,609.80 : x
  2. Step 2: Convert to fraction form
    820,921.80/1,229,049.90 = 727,609.80/x
  3. Step 3: Cross multiply
    820,921.80x = 1,229,049.90 × 727,609.80
  4. Step 4: Simplify right side
    820,921.80x = 894,268,751,929.02
  5. Step 5: Solve for x
    x = 894,268,751,929.02/820,921.80
  6. Step 6: Final answer
    x = 1,089,347.06

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