Home / 1,040,722.36-1,561,190.63-392,844.26

Finding the Fourth Proportional to 1,040,722.36, 1,561,190.63 and 392,844.26

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Solution

The fourth proportional to 1,040,722.36, 1,561,190.63 and 392,844.26 is: 589,306.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,722.36 : 1,561,190.63 = 392,844.26 : x
  2. Step 2: Convert to fraction form
    1,040,722.36/1,561,190.63 = 392,844.26/x
  3. Step 3: Cross multiply
    1,040,722.36x = 1,561,190.63 × 392,844.26
  4. Step 4: Simplify right side
    1,040,722.36x = 613,304,770,918.34
  5. Step 5: Solve for x
    x = 613,304,770,918.34/1,040,722.36
  6. Step 6: Final answer
    x = 589,306.81

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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.