Home / 1,441,240.82-1,988,912.76-787,869.68

Finding the Fourth Proportional to 1,441,240.82, 1,988,912.76 and 787,869.68

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Solution

The fourth proportional to 1,441,240.82, 1,988,912.76 and 787,869.68 is: 1,087,260.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,240.82 : 1,988,912.76 = 787,869.68 : x
  2. Step 2: Convert to fraction form
    1,441,240.82/1,988,912.76 = 787,869.68/x
  3. Step 3: Cross multiply
    1,441,240.82x = 1,988,912.76 × 787,869.68
  4. Step 4: Simplify right side
    1,441,240.82x = 1,567,004,059,769.12
  5. Step 5: Solve for x
    x = 1,567,004,059,769.12/1,441,240.82
  6. Step 6: Final answer
    x = 1,087,260.39

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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.