Home / 1,192,143.45-1,645,201.23-682,944.24

Finding the Fourth Proportional to 1,192,143.45, 1,645,201.23 and 682,944.24

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Solution

The fourth proportional to 1,192,143.45, 1,645,201.23 and 682,944.24 is: 942,487.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,143.45 : 1,645,201.23 = 682,944.24 : x
  2. Step 2: Convert to fraction form
    1,192,143.45/1,645,201.23 = 682,944.24/x
  3. Step 3: Cross multiply
    1,192,143.45x = 1,645,201.23 × 682,944.24
  4. Step 4: Simplify right side
    1,192,143.45x = 1,123,580,703,669.42
  5. Step 5: Solve for x
    x = 1,123,580,703,669.42/1,192,143.45
  6. Step 6: Final answer
    x = 942,487.84

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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.