Home / 966,629.43-1,449,145.89-426,501.18

Finding the Fourth Proportional to 966,629.43, 1,449,145.89 and 426,501.18

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Solution

The fourth proportional to 966,629.43, 1,449,145.89 and 426,501.18 is: 639,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,629.43 : 1,449,145.89 = 426,501.18 : x
  2. Step 2: Convert to fraction form
    966,629.43/1,449,145.89 = 426,501.18/x
  3. Step 3: Cross multiply
    966,629.43x = 1,449,145.89 × 426,501.18
  4. Step 4: Simplify right side
    966,629.43x = 618,062,432,077.15
  5. Step 5: Solve for x
    x = 618,062,432,077.15/966,629.43
  6. Step 6: Final answer
    x = 639,399.56

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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.