Home / 1,118,769.36-1,543,912.32-635,344.56

Finding the Fourth Proportional to 1,118,769.36, 1,543,912.32 and 635,344.56

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Solution

The fourth proportional to 1,118,769.36, 1,543,912.32 and 635,344.56 is: 876,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,769.36 : 1,543,912.32 = 635,344.56 : x
  2. Step 2: Convert to fraction form
    1,118,769.36/1,543,912.32 = 635,344.56/x
  3. Step 3: Cross multiply
    1,118,769.36x = 1,543,912.32 × 635,344.56
  4. Step 4: Simplify right side
    1,118,769.36x = 980,916,293,628.98
  5. Step 5: Solve for x
    x = 980,916,293,628.98/1,118,769.36
  6. Step 6: Final answer
    x = 876,781.51

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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.