Home / 1,629,787.70-2,444,572.20-431,684.30

Finding the Fourth Proportional to 1,629,787.70, 2,444,572.20 and 431,684.30

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Solution

The fourth proportional to 1,629,787.70, 2,444,572.20 and 431,684.30 is: 647,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,787.70 : 2,444,572.20 = 431,684.30 : x
  2. Step 2: Convert to fraction form
    1,629,787.70/2,444,572.20 = 431,684.30/x
  3. Step 3: Cross multiply
    1,629,787.70x = 2,444,572.20 × 431,684.30
  4. Step 4: Simplify right side
    1,629,787.70x = 1,055,283,438,956.46
  5. Step 5: Solve for x
    x = 1,055,283,438,956.46/1,629,787.70
  6. Step 6: Final answer
    x = 647,497.49

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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.