Home / 1,182,738.74-1,632,179.22-638,874.54

Finding the Fourth Proportional to 1,182,738.74, 1,632,179.22 and 638,874.54

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Solution

The fourth proportional to 1,182,738.74, 1,632,179.22 and 638,874.54 is: 881,646.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,738.74 : 1,632,179.22 = 638,874.54 : x
  2. Step 2: Convert to fraction form
    1,182,738.74/1,632,179.22 = 638,874.54/x
  3. Step 3: Cross multiply
    1,182,738.74x = 1,632,179.22 × 638,874.54
  4. Step 4: Simplify right side
    1,182,738.74x = 1,042,757,748,375.06
  5. Step 5: Solve for x
    x = 1,042,757,748,375.06/1,182,738.74
  6. Step 6: Final answer
    x = 881,646.74

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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.