Home / 1,011,180.78-1,517,099.22-301,214.97

Finding the Fourth Proportional to 1,011,180.78, 1,517,099.22 and 301,214.97

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Solution

The fourth proportional to 1,011,180.78, 1,517,099.22 and 301,214.97 is: 451,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,180.78 : 1,517,099.22 = 301,214.97 : x
  2. Step 2: Convert to fraction form
    1,011,180.78/1,517,099.22 = 301,214.97/x
  3. Step 3: Cross multiply
    1,011,180.78x = 1,517,099.22 × 301,214.97
  4. Step 4: Simplify right side
    1,011,180.78x = 456,972,996,039.32
  5. Step 5: Solve for x
    x = 456,972,996,039.32/1,011,180.78
  6. Step 6: Final answer
    x = 451,920.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.