Home / 1,298.43-1,786.86-1,044.36

Finding the Fourth Proportional to 1,298.43, 1,786.86 and 1,044.36

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Solution

The fourth proportional to 1,298.43, 1,786.86 and 1,044.36 is: 1,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298.43 : 1,786.86 = 1,044.36 : x
  2. Step 2: Convert to fraction form
    1,298.43/1,786.86 = 1,044.36/x
  3. Step 3: Cross multiply
    1,298.43x = 1,786.86 × 1,044.36
  4. Step 4: Simplify right side
    1,298.43x = 1,866,125.11
  5. Step 5: Solve for x
    x = 1,866,125.11/1,298.43
  6. Step 6: Final answer
    x = 1,437.22

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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.