Home / 1,328,760.80-1,833,749.54-748,183.58

Finding the Fourth Proportional to 1,328,760.80, 1,833,749.54 and 748,183.58

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Solution

The fourth proportional to 1,328,760.80, 1,833,749.54 and 748,183.58 is: 1,032,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,760.80 : 1,833,749.54 = 748,183.58 : x
  2. Step 2: Convert to fraction form
    1,328,760.80/1,833,749.54 = 748,183.58/x
  3. Step 3: Cross multiply
    1,328,760.80x = 1,833,749.54 × 748,183.58
  4. Step 4: Simplify right side
    1,328,760.80x = 1,371,981,295,660.55
  5. Step 5: Solve for x
    x = 1,371,981,295,660.55/1,328,760.80
  6. Step 6: Final answer
    x = 1,032,526.92

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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.