Home / 916,914.30-1,372,261.05-804,939.90

Finding the Fourth Proportional to 916,914.30, 1,372,261.05 and 804,939.90

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Solution

The fourth proportional to 916,914.30, 1,372,261.05 and 804,939.90 is: 1,204,679.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,914.30 : 1,372,261.05 = 804,939.90 : x
  2. Step 2: Convert to fraction form
    916,914.30/1,372,261.05 = 804,939.90/x
  3. Step 3: Cross multiply
    916,914.30x = 1,372,261.05 × 804,939.90
  4. Step 4: Simplify right side
    916,914.30x = 1,104,587,672,360.90
  5. Step 5: Solve for x
    x = 1,104,587,672,360.90/916,914.30
  6. Step 6: Final answer
    x = 1,204,679.29

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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.