Home / 1,328,584.60-1,992,876.90-331,312.60

Finding the Fourth Proportional to 1,328,584.60, 1,992,876.90 and 331,312.60

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Solution

The fourth proportional to 1,328,584.60, 1,992,876.90 and 331,312.60 is: 496,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,584.60 : 1,992,876.90 = 331,312.60 : x
  2. Step 2: Convert to fraction form
    1,328,584.60/1,992,876.90 = 331,312.60/x
  3. Step 3: Cross multiply
    1,328,584.60x = 1,992,876.90 × 331,312.60
  4. Step 4: Simplify right side
    1,328,584.60x = 660,265,227,218.94
  5. Step 5: Solve for x
    x = 660,265,227,218.94/1,328,584.60
  6. Step 6: Final answer
    x = 496,968.90

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1.5x scale

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.