Home / 1,321,147.80-1,823,123.03-748,192.14

Finding the Fourth Proportional to 1,321,147.80, 1,823,123.03 and 748,192.14

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Solution

The fourth proportional to 1,321,147.80, 1,823,123.03 and 748,192.14 is: 1,032,470.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,147.80 : 1,823,123.03 = 748,192.14 : x
  2. Step 2: Convert to fraction form
    1,321,147.80/1,823,123.03 = 748,192.14/x
  3. Step 3: Cross multiply
    1,321,147.80x = 1,823,123.03 × 748,192.14
  4. Step 4: Simplify right side
    1,321,147.80x = 1,364,046,317,558.02
  5. Step 5: Solve for x
    x = 1,364,046,317,558.02/1,321,147.80
  6. Step 6: Final answer
    x = 1,032,470.64

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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.