Home / 1,321,071.21-1,823,190.71-748,213.29

Finding the Fourth Proportional to 1,321,071.21, 1,823,190.71 and 748,213.29

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Solution

The fourth proportional to 1,321,071.21, 1,823,190.71 and 748,213.29 is: 1,032,598.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,071.21 : 1,823,190.71 = 748,213.29 : x
  2. Step 2: Convert to fraction form
    1,321,071.21/1,823,190.71 = 748,213.29/x
  3. Step 3: Cross multiply
    1,321,071.21x = 1,823,190.71 × 748,213.29
  4. Step 4: Simplify right side
    1,321,071.21x = 1,364,135,515,685.47
  5. Step 5: Solve for x
    x = 1,364,135,515,685.47/1,321,071.21
  6. Step 6: Final answer
    x = 1,032,598.02

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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.