Home / 1,321,163.21-1,823,144.20-748,207.51

Finding the Fourth Proportional to 1,321,163.21, 1,823,144.20 and 748,207.51

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Solution

The fourth proportional to 1,321,163.21, 1,823,144.20 and 748,207.51 is: 1,032,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,163.21 : 1,823,144.20 = 748,207.51 : x
  2. Step 2: Convert to fraction form
    1,321,163.21/1,823,144.20 = 748,207.51/x
  3. Step 3: Cross multiply
    1,321,163.21x = 1,823,144.20 × 748,207.51
  4. Step 4: Simplify right side
    1,321,163.21x = 1,364,090,182,252.94
  5. Step 5: Solve for x
    x = 1,364,090,182,252.94/1,321,163.21
  6. Step 6: Final answer
    x = 1,032,491.80

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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.