Home / 1,198,679.64-1,654,104.78-654,705.24

Finding the Fourth Proportional to 1,198,679.64, 1,654,104.78 and 654,705.24

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Solution

The fourth proportional to 1,198,679.64, 1,654,104.78 and 654,705.24 is: 903,453.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,679.64 : 1,654,104.78 = 654,705.24 : x
  2. Step 2: Convert to fraction form
    1,198,679.64/1,654,104.78 = 654,705.24/x
  3. Step 3: Cross multiply
    1,198,679.64x = 1,654,104.78 × 654,705.24
  4. Step 4: Simplify right side
    1,198,679.64x = 1,082,951,066,975.05
  5. Step 5: Solve for x
    x = 1,082,951,066,975.05/1,198,679.64
  6. Step 6: Final answer
    x = 903,453.29

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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.