Home / 1,521,238.46-2,099,229.30-832,778.42

Finding the Fourth Proportional to 1,521,238.46, 2,099,229.30 and 832,778.42

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Solution

The fourth proportional to 1,521,238.46, 2,099,229.30 and 832,778.42 is: 1,149,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,238.46 : 2,099,229.30 = 832,778.42 : x
  2. Step 2: Convert to fraction form
    1,521,238.46/2,099,229.30 = 832,778.42/x
  3. Step 3: Cross multiply
    1,521,238.46x = 2,099,229.30 × 832,778.42
  4. Step 4: Simplify right side
    1,521,238.46x = 1,748,192,849,175.56
  5. Step 5: Solve for x
    x = 1,748,192,849,175.56/1,521,238.46
  6. Step 6: Final answer
    x = 1,149,190.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.