Home / 1,042,238.40-1,562,171.68-442,825.44

Finding the Fourth Proportional to 1,042,238.40, 1,562,171.68 and 442,825.44

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Solution

The fourth proportional to 1,042,238.40, 1,562,171.68 and 442,825.44 is: 663,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,238.40 : 1,562,171.68 = 442,825.44 : x
  2. Step 2: Convert to fraction form
    1,042,238.40/1,562,171.68 = 442,825.44/x
  3. Step 3: Cross multiply
    1,042,238.40x = 1,562,171.68 × 442,825.44
  4. Step 4: Simplify right side
    1,042,238.40x = 691,769,361,551.54
  5. Step 5: Solve for x
    x = 691,769,361,551.54/1,042,238.40
  6. Step 6: Final answer
    x = 663,734.29

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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.