Home / 1,321,101.46-1,823,232.46-748,243.54

Finding the Fourth Proportional to 1,321,101.46, 1,823,232.46 and 748,243.54

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Solution

The fourth proportional to 1,321,101.46, 1,823,232.46 and 748,243.54 is: 1,032,639.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,101.46 : 1,823,232.46 = 748,243.54 : x
  2. Step 2: Convert to fraction form
    1,321,101.46/1,823,232.46 = 748,243.54/x
  3. Step 3: Cross multiply
    1,321,101.46x = 1,823,232.46 × 748,243.54
  4. Step 4: Simplify right side
    1,321,101.46x = 1,364,221,910,113.31
  5. Step 5: Solve for x
    x = 1,364,221,910,113.31/1,321,101.46
  6. Step 6: Final answer
    x = 1,032,639.77

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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.