Home / 1,586,745.43-2,380,160.82-449,390.19

Finding the Fourth Proportional to 1,586,745.43, 2,380,160.82 and 449,390.19

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Solution

The fourth proportional to 1,586,745.43, 2,380,160.82 and 449,390.19 is: 674,097.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,745.43 : 2,380,160.82 = 449,390.19 : x
  2. Step 2: Convert to fraction form
    1,586,745.43/2,380,160.82 = 449,390.19/x
  3. Step 3: Cross multiply
    1,586,745.43x = 2,380,160.82 × 449,390.19
  4. Step 4: Simplify right side
    1,586,745.43x = 1,069,620,923,130.36
  5. Step 5: Solve for x
    x = 1,069,620,923,130.36/1,586,745.43
  6. Step 6: Final answer
    x = 674,097.37

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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.