Home / 916,949.30-1,372,313.55-804,974.90

Finding the Fourth Proportional to 916,949.30, 1,372,313.55 and 804,974.90

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Solution

The fourth proportional to 916,949.30, 1,372,313.55 and 804,974.90 is: 1,204,731.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,949.30 : 1,372,313.55 = 804,974.90 : x
  2. Step 2: Convert to fraction form
    916,949.30/1,372,313.55 = 804,974.90/x
  3. Step 3: Cross multiply
    916,949.30x = 1,372,313.55 × 804,974.90
  4. Step 4: Simplify right side
    916,949.30x = 1,104,677,962,679.90
  5. Step 5: Solve for x
    x = 1,104,677,962,679.90/916,949.30
  6. Step 6: Final answer
    x = 1,204,731.78

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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.