Home / 1,268,013.19-1,902,311.46-415,112.35

Finding the Fourth Proportional to 1,268,013.19, 1,902,311.46 and 415,112.35

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Solution

The fourth proportional to 1,268,013.19, 1,902,311.46 and 415,112.35 is: 622,764.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,013.19 : 1,902,311.46 = 415,112.35 : x
  2. Step 2: Convert to fraction form
    1,268,013.19/1,902,311.46 = 415,112.35/x
  3. Step 3: Cross multiply
    1,268,013.19x = 1,902,311.46 × 415,112.35
  4. Step 4: Simplify right side
    1,268,013.19x = 789,672,978,516.97
  5. Step 5: Solve for x
    x = 789,672,978,516.97/1,268,013.19
  6. Step 6: Final answer
    x = 622,764.01

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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.