Home / 1,301,350.92-1,795,863.78-728,390.94

Finding the Fourth Proportional to 1,301,350.92, 1,795,863.78 and 728,390.94

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Solution

The fourth proportional to 1,301,350.92, 1,795,863.78 and 728,390.94 is: 1,005,179.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,350.92 : 1,795,863.78 = 728,390.94 : x
  2. Step 2: Convert to fraction form
    1,301,350.92/1,795,863.78 = 728,390.94/x
  3. Step 3: Cross multiply
    1,301,350.92x = 1,795,863.78 × 728,390.94
  4. Step 4: Simplify right side
    1,301,350.92x = 1,308,090,906,826.15
  5. Step 5: Solve for x
    x = 1,308,090,906,826.15/1,301,350.92
  6. Step 6: Final answer
    x = 1,005,179.22

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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.