Home / 827,103.80-1,240,655.70-792,111.80

Finding the Fourth Proportional to 827,103.80, 1,240,655.70 and 792,111.80

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Solution

The fourth proportional to 827,103.80, 1,240,655.70 and 792,111.80 is: 1,188,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,103.80 : 1,240,655.70 = 792,111.80 : x
  2. Step 2: Convert to fraction form
    827,103.80/1,240,655.70 = 792,111.80/x
  3. Step 3: Cross multiply
    827,103.80x = 1,240,655.70 × 792,111.80
  4. Step 4: Simplify right side
    827,103.80x = 982,738,019,707.26
  5. Step 5: Solve for x
    x = 982,738,019,707.26/827,103.80
  6. Step 6: Final answer
    x = 1,188,167.70

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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.