Home / 1,081,431.26-1,622,129.08-323,274.50

Finding the Fourth Proportional to 1,081,431.26, 1,622,129.08 and 323,274.50

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Solution

The fourth proportional to 1,081,431.26, 1,622,129.08 and 323,274.50 is: 484,906.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,431.26 : 1,622,129.08 = 323,274.50 : x
  2. Step 2: Convert to fraction form
    1,081,431.26/1,622,129.08 = 323,274.50/x
  3. Step 3: Cross multiply
    1,081,431.26x = 1,622,129.08 × 323,274.50
  4. Step 4: Simplify right side
    1,081,431.26x = 524,392,967,272.46
  5. Step 5: Solve for x
    x = 524,392,967,272.46/1,081,431.26
  6. Step 6: Final answer
    x = 484,906.43

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.