Home / 1,380,836.54-1,906,299.96-968,636.24

Finding the Fourth Proportional to 1,380,836.54, 1,906,299.96 and 968,636.24

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Solution

The fourth proportional to 1,380,836.54, 1,906,299.96 and 968,636.24 is: 1,337,240.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,836.54 : 1,906,299.96 = 968,636.24 : x
  2. Step 2: Convert to fraction form
    1,380,836.54/1,906,299.96 = 968,636.24/x
  3. Step 3: Cross multiply
    1,380,836.54x = 1,906,299.96 × 968,636.24
  4. Step 4: Simplify right side
    1,380,836.54x = 1,846,511,216,035.05
  5. Step 5: Solve for x
    x = 1,846,511,216,035.05/1,380,836.54
  6. Step 6: Final answer
    x = 1,337,240.99

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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.