Home / 1,138,738.52-1,571,458.91-622,494.57

Finding the Fourth Proportional to 1,138,738.52, 1,571,458.91 and 622,494.57

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Solution

The fourth proportional to 1,138,738.52, 1,571,458.91 and 622,494.57 is: 859,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,738.52 : 1,571,458.91 = 622,494.57 : x
  2. Step 2: Convert to fraction form
    1,138,738.52/1,571,458.91 = 622,494.57/x
  3. Step 3: Cross multiply
    1,138,738.52x = 1,571,458.91 × 622,494.57
  4. Step 4: Simplify right side
    1,138,738.52x = 978,224,635,340.65
  5. Step 5: Solve for x
    x = 978,224,635,340.65/1,138,738.52
  6. Step 6: Final answer
    x = 859,042.37

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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.