Home / 1,261,983.51-1,741,331.79-745,665.48

Finding the Fourth Proportional to 1,261,983.51, 1,741,331.79 and 745,665.48

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Solution

The fourth proportional to 1,261,983.51, 1,741,331.79 and 745,665.48 is: 1,028,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,983.51 : 1,741,331.79 = 745,665.48 : x
  2. Step 2: Convert to fraction form
    1,261,983.51/1,741,331.79 = 745,665.48/x
  3. Step 3: Cross multiply
    1,261,983.51x = 1,741,331.79 × 745,665.48
  4. Step 4: Simplify right side
    1,261,983.51x = 1,298,451,005,029.61
  5. Step 5: Solve for x
    x = 1,298,451,005,029.61/1,261,983.51
  6. Step 6: Final answer
    x = 1,028,896.97

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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.