Home / 1,296.43-1,943.38-556.23

Finding the Fourth Proportional to 1,296.43, 1,943.38 and 556.23

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Solution

The fourth proportional to 1,296.43, 1,943.38 and 556.23 is: 833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.43 : 1,943.38 = 556.23 : x
  2. Step 2: Convert to fraction form
    1,296.43/1,943.38 = 556.23/x
  3. Step 3: Cross multiply
    1,296.43x = 1,943.38 × 556.23
  4. Step 4: Simplify right side
    1,296.43x = 1,080,964.87
  5. Step 5: Solve for x
    x = 1,080,964.87/1,296.43
  6. Step 6: Final answer
    x = 833.80

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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.