Home / 1,089,892.23-1,504,259.43-721,720.44

Finding the Fourth Proportional to 1,089,892.23, 1,504,259.43 and 721,720.44

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Solution

The fourth proportional to 1,089,892.23, 1,504,259.43 and 721,720.44 is: 996,112.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,892.23 : 1,504,259.43 = 721,720.44 : x
  2. Step 2: Convert to fraction form
    1,089,892.23/1,504,259.43 = 721,720.44/x
  3. Step 3: Cross multiply
    1,089,892.23x = 1,504,259.43 × 721,720.44
  4. Step 4: Simplify right side
    1,089,892.23x = 1,085,654,777,693.75
  5. Step 5: Solve for x
    x = 1,085,654,777,693.75/1,089,892.23
  6. Step 6: Final answer
    x = 996,112.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.