Home / 1,078,400.92-1,616,289.54-762,948.76

Finding the Fourth Proportional to 1,078,400.92, 1,616,289.54 and 762,948.76

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Solution

The fourth proportional to 1,078,400.92, 1,616,289.54 and 762,948.76 is: 1,143,495.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,400.92 : 1,616,289.54 = 762,948.76 : x
  2. Step 2: Convert to fraction form
    1,078,400.92/1,616,289.54 = 762,948.76/x
  3. Step 3: Cross multiply
    1,078,400.92x = 1,616,289.54 × 762,948.76
  4. Step 4: Simplify right side
    1,078,400.92x = 1,233,146,100,343.97
  5. Step 5: Solve for x
    x = 1,233,146,100,343.97/1,078,400.92
  6. Step 6: Final answer
    x = 1,143,495.04

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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.