Home / 1,268,786.27-1,902,419.33-403,847.57

Finding the Fourth Proportional to 1,268,786.27, 1,902,419.33 and 403,847.57

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Solution

The fourth proportional to 1,268,786.27, 1,902,419.33 and 403,847.57 is: 605,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,786.27 : 1,902,419.33 = 403,847.57 : x
  2. Step 2: Convert to fraction form
    1,268,786.27/1,902,419.33 = 403,847.57/x
  3. Step 3: Cross multiply
    1,268,786.27x = 1,902,419.33 × 403,847.57
  4. Step 4: Simplify right side
    1,268,786.27x = 768,287,412,010.19
  5. Step 5: Solve for x
    x = 768,287,412,010.19/1,268,786.27
  6. Step 6: Final answer
    x = 605,529.42

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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.