Home / 1,221,580.72-1,832,982.16-548,143.44

Finding the Fourth Proportional to 1,221,580.72, 1,832,982.16 and 548,143.44

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Solution

The fourth proportional to 1,221,580.72, 1,832,982.16 and 548,143.44 is: 822,489.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,580.72 : 1,832,982.16 = 548,143.44 : x
  2. Step 2: Convert to fraction form
    1,221,580.72/1,832,982.16 = 548,143.44/x
  3. Step 3: Cross multiply
    1,221,580.72x = 1,832,982.16 × 548,143.44
  4. Step 4: Simplify right side
    1,221,580.72x = 1,004,737,146,641.03
  5. Step 5: Solve for x
    x = 1,004,737,146,641.03/1,221,580.72
  6. Step 6: Final answer
    x = 822,489.36

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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.