Home / 1,603,424.88-2,212,725.42-878,317.56

Finding the Fourth Proportional to 1,603,424.88, 2,212,725.42 and 878,317.56

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Solution

The fourth proportional to 1,603,424.88, 2,212,725.42 and 878,317.56 is: 1,212,077.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,424.88 : 2,212,725.42 = 878,317.56 : x
  2. Step 2: Convert to fraction form
    1,603,424.88/2,212,725.42 = 878,317.56/x
  3. Step 3: Cross multiply
    1,603,424.88x = 2,212,725.42 × 878,317.56
  4. Step 4: Simplify right side
    1,603,424.88x = 1,943,475,591,844.38
  5. Step 5: Solve for x
    x = 1,943,475,591,844.38/1,603,424.88
  6. Step 6: Final answer
    x = 1,212,077.73

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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.