Home / 1,220,418.55-1,834,564.43-867,874.15

Finding the Fourth Proportional to 1,220,418.55, 1,834,564.43 and 867,874.15

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Solution

The fourth proportional to 1,220,418.55, 1,834,564.43 and 867,874.15 is: 1,304,610.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,418.55 : 1,834,564.43 = 867,874.15 : x
  2. Step 2: Convert to fraction form
    1,220,418.55/1,834,564.43 = 867,874.15/x
  3. Step 3: Cross multiply
    1,220,418.55x = 1,834,564.43 × 867,874.15
  4. Step 4: Simplify right side
    1,220,418.55x = 1,592,171,040,967.11
  5. Step 5: Solve for x
    x = 1,592,171,040,967.11/1,220,418.55
  6. Step 6: Final answer
    x = 1,304,610.65

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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.