Home / 1,542,961.19-2,313,320.80-644,659.82

Finding the Fourth Proportional to 1,542,961.19, 2,313,320.80 and 644,659.82

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Solution

The fourth proportional to 1,542,961.19, 2,313,320.80 and 644,659.82 is: 966,521.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,961.19 : 2,313,320.80 = 644,659.82 : x
  2. Step 2: Convert to fraction form
    1,542,961.19/2,313,320.80 = 644,659.82/x
  3. Step 3: Cross multiply
    1,542,961.19x = 2,313,320.80 × 644,659.82
  4. Step 4: Simplify right side
    1,542,961.19x = 1,491,304,970,530.26
  5. Step 5: Solve for x
    x = 1,491,304,970,530.26/1,542,961.19
  6. Step 6: Final answer
    x = 966,521.37

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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.