Home / 1,259,896.70-1,889,845.05-460,912.70

Finding the Fourth Proportional to 1,259,896.70, 1,889,845.05 and 460,912.70

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Solution

The fourth proportional to 1,259,896.70, 1,889,845.05 and 460,912.70 is: 691,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,896.70 : 1,889,845.05 = 460,912.70 : x
  2. Step 2: Convert to fraction form
    1,259,896.70/1,889,845.05 = 460,912.70/x
  3. Step 3: Cross multiply
    1,259,896.70x = 1,889,845.05 × 460,912.70
  4. Step 4: Simplify right side
    1,259,896.70x = 871,053,584,577.14
  5. Step 5: Solve for x
    x = 871,053,584,577.14/1,259,896.70
  6. Step 6: Final answer
    x = 691,369.05

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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.