Home / 1,543,121.24-2,305,296.38-998,944.34

Finding the Fourth Proportional to 1,543,121.24, 2,305,296.38 and 998,944.34

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Solution

The fourth proportional to 1,543,121.24, 2,305,296.38 and 998,944.34 is: 1,492,340.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,121.24 : 2,305,296.38 = 998,944.34 : x
  2. Step 2: Convert to fraction form
    1,543,121.24/2,305,296.38 = 998,944.34/x
  3. Step 3: Cross multiply
    1,543,121.24x = 2,305,296.38 × 998,944.34
  4. Step 4: Simplify right side
    1,543,121.24x = 2,302,862,761,794.37
  5. Step 5: Solve for x
    x = 2,302,862,761,794.37/1,543,121.24
  6. Step 6: Final answer
    x = 1,492,340.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.