Home / 1,332,110.56-1,998,412.25-421,522.29

Finding the Fourth Proportional to 1,332,110.56, 1,998,412.25 and 421,522.29

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Solution

The fourth proportional to 1,332,110.56, 1,998,412.25 and 421,522.29 is: 632,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,110.56 : 1,998,412.25 = 421,522.29 : x
  2. Step 2: Convert to fraction form
    1,332,110.56/1,998,412.25 = 421,522.29/x
  3. Step 3: Cross multiply
    1,332,110.56x = 1,998,412.25 × 421,522.29
  4. Step 4: Simplify right side
    1,332,110.56x = 842,375,307,984.05
  5. Step 5: Solve for x
    x = 842,375,307,984.05/1,332,110.56
  6. Step 6: Final answer
    x = 632,361.41

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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.