Home / 827,125.30-1,240,687.95-792,133.30

Finding the Fourth Proportional to 827,125.30, 1,240,687.95 and 792,133.30

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Solution

The fourth proportional to 827,125.30, 1,240,687.95 and 792,133.30 is: 1,188,199.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,125.30 : 1,240,687.95 = 792,133.30 : x
  2. Step 2: Convert to fraction form
    827,125.30/1,240,687.95 = 792,133.30/x
  3. Step 3: Cross multiply
    827,125.30x = 1,240,687.95 × 792,133.30
  4. Step 4: Simplify right side
    827,125.30x = 982,790,240,103.74
  5. Step 5: Solve for x
    x = 982,790,240,103.74/827,125.30
  6. Step 6: Final answer
    x = 1,188,199.95

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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.