Home / 1,268,010.32-1,902,307.14-415,109.48

Finding the Fourth Proportional to 1,268,010.32, 1,902,307.14 and 415,109.48

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Solution

The fourth proportional to 1,268,010.32, 1,902,307.14 and 415,109.48 is: 622,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,010.32 : 1,902,307.14 = 415,109.48 : x
  2. Step 2: Convert to fraction form
    1,268,010.32/1,902,307.14 = 415,109.48/x
  3. Step 3: Cross multiply
    1,268,010.32x = 1,902,307.14 × 415,109.48
  4. Step 4: Simplify right side
    1,268,010.32x = 789,665,718,174.15
  5. Step 5: Solve for x
    x = 789,665,718,174.15/1,268,010.32
  6. Step 6: Final answer
    x = 622,759.70

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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.