Home / 1,089,720.96-1,503,786.24-606,287.04

Finding the Fourth Proportional to 1,089,720.96, 1,503,786.24 and 606,287.04

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Solution

The fourth proportional to 1,089,720.96, 1,503,786.24 and 606,287.04 is: 836,660.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,720.96 : 1,503,786.24 = 606,287.04 : x
  2. Step 2: Convert to fraction form
    1,089,720.96/1,503,786.24 = 606,287.04/x
  3. Step 3: Cross multiply
    1,089,720.96x = 1,503,786.24 × 606,287.04
  4. Step 4: Simplify right side
    1,089,720.96x = 911,726,108,242.33
  5. Step 5: Solve for x
    x = 911,726,108,242.33/1,089,720.96
  6. Step 6: Final answer
    x = 836,660.16

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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.