Home / 1,328,616.60-1,992,924.90-331,344.60

Finding the Fourth Proportional to 1,328,616.60, 1,992,924.90 and 331,344.60

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Solution

The fourth proportional to 1,328,616.60, 1,992,924.90 and 331,344.60 is: 497,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,616.60 : 1,992,924.90 = 331,344.60 : x
  2. Step 2: Convert to fraction form
    1,328,616.60/1,992,924.90 = 331,344.60/x
  3. Step 3: Cross multiply
    1,328,616.60x = 1,992,924.90 × 331,344.60
  4. Step 4: Simplify right side
    1,328,616.60x = 660,344,903,820.54
  5. Step 5: Solve for x
    x = 660,344,903,820.54/1,328,616.60
  6. Step 6: Final answer
    x = 497,016.90

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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.