Home / 1,790,249.73-2,685,348.31-442,412.30

Finding the Fourth Proportional to 1,790,249.73, 2,685,348.31 and 442,412.30

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Solution

The fourth proportional to 1,790,249.73, 2,685,348.31 and 442,412.30 is: 663,611.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,249.73 : 2,685,348.31 = 442,412.30 : x
  2. Step 2: Convert to fraction form
    1,790,249.73/2,685,348.31 = 442,412.30/x
  3. Step 3: Cross multiply
    1,790,249.73x = 2,685,348.31 × 442,412.30
  4. Step 4: Simplify right side
    1,790,249.73x = 1,188,031,127,735.55
  5. Step 5: Solve for x
    x = 1,188,031,127,735.55/1,790,249.73
  6. Step 6: Final answer
    x = 663,611.96

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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.