Home / 1,521,238.30-2,099,228.94-832,778.22

Finding the Fourth Proportional to 1,521,238.30, 2,099,228.94 and 832,778.22

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Solution

The fourth proportional to 1,521,238.30, 2,099,228.94 and 832,778.22 is: 1,149,190.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,238.30 : 2,099,228.94 = 832,778.22 : x
  2. Step 2: Convert to fraction form
    1,521,238.30/2,099,228.94 = 832,778.22/x
  3. Step 3: Cross multiply
    1,521,238.30x = 2,099,228.94 × 832,778.22
  4. Step 4: Simplify right side
    1,521,238.30x = 1,748,192,125,365.65
  5. Step 5: Solve for x
    x = 1,748,192,125,365.65/1,521,238.30
  6. Step 6: Final answer
    x = 1,149,190.19

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