Home / 1,481,750.82-2,221,614.89-789,421.34

Finding the Fourth Proportional to 1,481,750.82, 2,221,614.89 and 789,421.34

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Solution

The fourth proportional to 1,481,750.82, 2,221,614.89 and 789,421.34 is: 1,183,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481,750.82 : 2,221,614.89 = 789,421.34 : x
  2. Step 2: Convert to fraction form
    1,481,750.82/2,221,614.89 = 789,421.34/x
  3. Step 3: Cross multiply
    1,481,750.82x = 2,221,614.89 × 789,421.34
  4. Step 4: Simplify right side
    1,481,750.82x = 1,753,790,212,435.51
  5. Step 5: Solve for x
    x = 1,753,790,212,435.51/1,481,750.82
  6. Step 6: Final answer
    x = 1,183,593.21

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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.