Home / 1,313,249.80-1,811,976.06-796,992.25

Finding the Fourth Proportional to 1,313,249.80, 1,811,976.06 and 796,992.25

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Solution

The fourth proportional to 1,313,249.80, 1,811,976.06 and 796,992.25 is: 1,099,661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,249.80 : 1,811,976.06 = 796,992.25 : x
  2. Step 2: Convert to fraction form
    1,313,249.80/1,811,976.06 = 796,992.25/x
  3. Step 3: Cross multiply
    1,313,249.80x = 1,811,976.06 × 796,992.25
  4. Step 4: Simplify right side
    1,313,249.80x = 1,444,130,877,005.54
  5. Step 5: Solve for x
    x = 1,444,130,877,005.54/1,313,249.80
  6. Step 6: Final answer
    x = 1,099,661.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.