Home / 792,086.15-1,187,654.75-252,109.19

Finding the Fourth Proportional to 792,086.15, 1,187,654.75 and 252,109.19

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Solution

The fourth proportional to 792,086.15, 1,187,654.75 and 252,109.19 is: 378,012.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,086.15 : 1,187,654.75 = 252,109.19 : x
  2. Step 2: Convert to fraction form
    792,086.15/1,187,654.75 = 252,109.19/x
  3. Step 3: Cross multiply
    792,086.15x = 1,187,654.75 × 252,109.19
  4. Step 4: Simplify right side
    792,086.15x = 299,418,677,022.15
  5. Step 5: Solve for x
    x = 299,418,677,022.15/792,086.15
  6. Step 6: Final answer
    x = 378,012.77

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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.