Home / 1,321,163.30-1,823,144.42-748,207.64

Finding the Fourth Proportional to 1,321,163.30, 1,823,144.42 and 748,207.64

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Solution

The fourth proportional to 1,321,163.30, 1,823,144.42 and 748,207.64 is: 1,032,492.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,163.30 : 1,823,144.42 = 748,207.64 : x
  2. Step 2: Convert to fraction form
    1,321,163.30/1,823,144.42 = 748,207.64/x
  3. Step 3: Cross multiply
    1,321,163.30x = 1,823,144.42 × 748,207.64
  4. Step 4: Simplify right side
    1,321,163.30x = 1,364,090,583,867.37
  5. Step 5: Solve for x
    x = 1,364,090,583,867.37/1,321,163.30
  6. Step 6: Final answer
    x = 1,032,492.03

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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.