Home / 1,042,086.88-1,438,350.24-589,640.32

Finding the Fourth Proportional to 1,042,086.88, 1,438,350.24 and 589,640.32

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Solution

The fourth proportional to 1,042,086.88, 1,438,350.24 and 589,640.32 is: 813,856.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,086.88 : 1,438,350.24 = 589,640.32 : x
  2. Step 2: Convert to fraction form
    1,042,086.88/1,438,350.24 = 589,640.32/x
  3. Step 3: Cross multiply
    1,042,086.88x = 1,438,350.24 × 589,640.32
  4. Step 4: Simplify right side
    1,042,086.88x = 848,109,295,785.68
  5. Step 5: Solve for x
    x = 848,109,295,785.68/1,042,086.88
  6. Step 6: Final answer
    x = 813,856.61

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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.