Home / 966,427.20-1,449,640.80-826,459.20

Finding the Fourth Proportional to 966,427.20, 1,449,640.80 and 826,459.20

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Solution

The fourth proportional to 966,427.20, 1,449,640.80 and 826,459.20 is: 1,239,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,427.20 : 1,449,640.80 = 826,459.20 : x
  2. Step 2: Convert to fraction form
    966,427.20/1,449,640.80 = 826,459.20/x
  3. Step 3: Cross multiply
    966,427.20x = 1,449,640.80 × 826,459.20
  4. Step 4: Simplify right side
    966,427.20x = 1,198,068,975,855.36
  5. Step 5: Solve for x
    x = 1,198,068,975,855.36/966,427.20
  6. Step 6: Final answer
    x = 1,239,688.80

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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.