Home / 916,906.80-1,372,249.80-804,932.40

Finding the Fourth Proportional to 916,906.80, 1,372,249.80 and 804,932.40

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Solution

The fourth proportional to 916,906.80, 1,372,249.80 and 804,932.40 is: 1,204,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,906.80 : 1,372,249.80 = 804,932.40 : x
  2. Step 2: Convert to fraction form
    916,906.80/1,372,249.80 = 804,932.40/x
  3. Step 3: Cross multiply
    916,906.80x = 1,372,249.80 × 804,932.40
  4. Step 4: Simplify right side
    916,906.80x = 1,104,568,324,913.52
  5. Step 5: Solve for x
    x = 1,104,568,324,913.52/916,906.80
  6. Step 6: Final answer
    x = 1,204,668.05

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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.