Home / 1,225,502.52-1,691,169.22-681,626.60

Finding the Fourth Proportional to 1,225,502.52, 1,691,169.22 and 681,626.60

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Solution

The fourth proportional to 1,225,502.52, 1,691,169.22 and 681,626.60 is: 940,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,502.52 : 1,691,169.22 = 681,626.60 : x
  2. Step 2: Convert to fraction form
    1,225,502.52/1,691,169.22 = 681,626.60/x
  3. Step 3: Cross multiply
    1,225,502.52x = 1,691,169.22 × 681,626.60
  4. Step 4: Simplify right side
    1,225,502.52x = 1,152,745,925,453.25
  5. Step 5: Solve for x
    x = 1,152,745,925,453.25/1,225,502.52
  6. Step 6: Final answer
    x = 940,631.22

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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.