Home / 966,421.20-1,449,631.80-826,453.20

Finding the Fourth Proportional to 966,421.20, 1,449,631.80 and 826,453.20

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Solution

The fourth proportional to 966,421.20, 1,449,631.80 and 826,453.20 is: 1,239,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,421.20 : 1,449,631.80 = 826,453.20 : x
  2. Step 2: Convert to fraction form
    966,421.20/1,449,631.80 = 826,453.20/x
  3. Step 3: Cross multiply
    966,421.20x = 1,449,631.80 × 826,453.20
  4. Step 4: Simplify right side
    966,421.20x = 1,198,052,839,931.76
  5. Step 5: Solve for x
    x = 1,198,052,839,931.76/966,421.20
  6. Step 6: Final answer
    x = 1,239,679.80

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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.