Home / 1,382,664.48-1,906,995.33-899,383.97

Finding the Fourth Proportional to 1,382,664.48, 1,906,995.33 and 899,383.97

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Solution

The fourth proportional to 1,382,664.48, 1,906,995.33 and 899,383.97 is: 1,240,446.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,664.48 : 1,906,995.33 = 899,383.97 : x
  2. Step 2: Convert to fraction form
    1,382,664.48/1,906,995.33 = 899,383.97/x
  3. Step 3: Cross multiply
    1,382,664.48x = 1,906,995.33 × 899,383.97
  4. Step 4: Simplify right side
    1,382,664.48x = 1,715,121,021,131.88
  5. Step 5: Solve for x
    x = 1,715,121,021,131.88/1,382,664.48
  6. Step 6: Final answer
    x = 1,240,446.29

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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.