Home / 1,321,391.51-1,823,693.70-748,450.97

Finding the Fourth Proportional to 1,321,391.51, 1,823,693.70 and 748,450.97

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Solution

The fourth proportional to 1,321,391.51, 1,823,693.70 and 748,450.97 is: 1,032,960.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,391.51 : 1,823,693.70 = 748,450.97 : x
  2. Step 2: Convert to fraction form
    1,321,391.51/1,823,693.70 = 748,450.97/x
  3. Step 3: Cross multiply
    1,321,391.51x = 1,823,693.70 × 748,450.97
  4. Step 4: Simplify right side
    1,321,391.51x = 1,364,945,319,274.96
  5. Step 5: Solve for x
    x = 1,364,945,319,274.96/1,321,391.51
  6. Step 6: Final answer
    x = 1,032,960.56

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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.