Home / 966,129.60-1,449,194.40-609,988.80

Finding the Fourth Proportional to 966,129.60, 1,449,194.40 and 609,988.80

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Solution

The fourth proportional to 966,129.60, 1,449,194.40 and 609,988.80 is: 914,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,129.60 : 1,449,194.40 = 609,988.80 : x
  2. Step 2: Convert to fraction form
    966,129.60/1,449,194.40 = 609,988.80/x
  3. Step 3: Cross multiply
    966,129.60x = 1,449,194.40 × 609,988.80
  4. Step 4: Simplify right side
    966,129.60x = 883,992,353,022.72
  5. Step 5: Solve for x
    x = 883,992,353,022.72/966,129.60
  6. Step 6: Final answer
    x = 914,983.20

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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.