Home / 1,255,711.31-1,882,618.45-647,848.43

Finding the Fourth Proportional to 1,255,711.31, 1,882,618.45 and 647,848.43

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Solution

The fourth proportional to 1,255,711.31, 1,882,618.45 and 647,848.43 is: 971,283.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,711.31 : 1,882,618.45 = 647,848.43 : x
  2. Step 2: Convert to fraction form
    1,255,711.31/1,882,618.45 = 647,848.43/x
  3. Step 3: Cross multiply
    1,255,711.31x = 1,882,618.45 × 647,848.43
  4. Step 4: Simplify right side
    1,255,711.31x = 1,219,651,394,469.20
  5. Step 5: Solve for x
    x = 1,219,651,394,469.20/1,255,711.31
  6. Step 6: Final answer
    x = 971,283.28

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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.