Home / 1,016,821.80-1,525,241.43-258,663.92

Finding the Fourth Proportional to 1,016,821.80, 1,525,241.43 and 258,663.92

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Solution

The fourth proportional to 1,016,821.80, 1,525,241.43 and 258,663.92 is: 387,998.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,821.80 : 1,525,241.43 = 258,663.92 : x
  2. Step 2: Convert to fraction form
    1,016,821.80/1,525,241.43 = 258,663.92/x
  3. Step 3: Cross multiply
    1,016,821.80x = 1,525,241.43 × 258,663.92
  4. Step 4: Simplify right side
    1,016,821.80x = 394,524,919,604.00
  5. Step 5: Solve for x
    x = 394,524,919,604.00/1,016,821.80
  6. Step 6: Final answer
    x = 387,998.09

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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.