Home / 1,378,115.37-2,065,067.73-578,959.92

Finding the Fourth Proportional to 1,378,115.37, 2,065,067.73 and 578,959.92

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Solution

The fourth proportional to 1,378,115.37, 2,065,067.73 and 578,959.92 is: 867,555.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,115.37 : 2,065,067.73 = 578,959.92 : x
  2. Step 2: Convert to fraction form
    1,378,115.37/2,065,067.73 = 578,959.92/x
  3. Step 3: Cross multiply
    1,378,115.37x = 2,065,067.73 × 578,959.92
  4. Step 4: Simplify right side
    1,378,115.37x = 1,195,591,447,755.38
  5. Step 5: Solve for x
    x = 1,195,591,447,755.38/1,378,115.37
  6. Step 6: Final answer
    x = 867,555.41

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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.