Home / 1,267,996.78-1,902,286.78-415,095.94

Finding the Fourth Proportional to 1,267,996.78, 1,902,286.78 and 415,095.94

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Solution

The fourth proportional to 1,267,996.78, 1,902,286.78 and 415,095.94 is: 622,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,996.78 : 1,902,286.78 = 415,095.94 : x
  2. Step 2: Convert to fraction form
    1,267,996.78/1,902,286.78 = 415,095.94/x
  3. Step 3: Cross multiply
    1,267,996.78x = 1,902,286.78 × 415,095.94
  4. Step 4: Simplify right side
    1,267,996.78x = 789,631,519,093.67
  5. Step 5: Solve for x
    x = 789,631,519,093.67/1,267,996.78
  6. Step 6: Final answer
    x = 622,739.37

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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.