Home / 966,412.80-1,449,619.20-630,489.60

Finding the Fourth Proportional to 966,412.80, 1,449,619.20 and 630,489.60

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Solution

The fourth proportional to 966,412.80, 1,449,619.20 and 630,489.60 is: 945,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,412.80 : 1,449,619.20 = 630,489.60 : x
  2. Step 2: Convert to fraction form
    966,412.80/1,449,619.20 = 630,489.60/x
  3. Step 3: Cross multiply
    966,412.80x = 1,449,619.20 × 630,489.60
  4. Step 4: Simplify right side
    966,412.80x = 913,969,829,560.32
  5. Step 5: Solve for x
    x = 913,969,829,560.32/966,412.80
  6. Step 6: Final answer
    x = 945,734.40

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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.