Home / 2,261,334.80-3,390,965.40-998,512.40

Finding the Fourth Proportional to 2,261,334.80, 3,390,965.40 and 998,512.40

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Solution

The fourth proportional to 2,261,334.80, 3,390,965.40 and 998,512.40 is: 1,497,310.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,334.80 : 3,390,965.40 = 998,512.40 : x
  2. Step 2: Convert to fraction form
    2,261,334.80/3,390,965.40 = 998,512.40/x
  3. Step 3: Cross multiply
    2,261,334.80x = 3,390,965.40 × 998,512.40
  4. Step 4: Simplify right side
    2,261,334.80x = 3,385,920,999,870.96
  5. Step 5: Solve for x
    x = 3,385,920,999,870.96/2,261,334.80
  6. Step 6: Final answer
    x = 1,497,310.79

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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.