Home / 1,267,996.29-1,902,286.03-415,095.45

Finding the Fourth Proportional to 1,267,996.29, 1,902,286.03 and 415,095.45

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Solution

The fourth proportional to 1,267,996.29, 1,902,286.03 and 415,095.45 is: 622,738.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,996.29 : 1,902,286.03 = 415,095.45 : x
  2. Step 2: Convert to fraction form
    1,267,996.29/1,902,286.03 = 415,095.45/x
  3. Step 3: Cross multiply
    1,267,996.29x = 1,902,286.03 × 415,095.45
  4. Step 4: Simplify right side
    1,267,996.29x = 789,630,266,140.13
  5. Step 5: Solve for x
    x = 789,630,266,140.13/1,267,996.29
  6. Step 6: Final answer
    x = 622,738.63

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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.