Home / 1,166,436.12-1,749,654.20-279,972.12

Finding the Fourth Proportional to 1,166,436.12, 1,749,654.20 and 279,972.12

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Solution

The fourth proportional to 1,166,436.12, 1,749,654.20 and 279,972.12 is: 419,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,436.12 : 1,749,654.20 = 279,972.12 : x
  2. Step 2: Convert to fraction form
    1,166,436.12/1,749,654.20 = 279,972.12/x
  3. Step 3: Cross multiply
    1,166,436.12x = 1,749,654.20 × 279,972.12
  4. Step 4: Simplify right side
    1,166,436.12x = 489,854,395,640.90
  5. Step 5: Solve for x
    x = 489,854,395,640.90/1,166,436.12
  6. Step 6: Final answer
    x = 419,958.18

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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.