Home / 1,275,352.70-1,757,935.43-861,760.35

Finding the Fourth Proportional to 1,275,352.70, 1,757,935.43 and 861,760.35

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Solution

The fourth proportional to 1,275,352.70, 1,757,935.43 and 861,760.35 is: 1,187,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,352.70 : 1,757,935.43 = 861,760.35 : x
  2. Step 2: Convert to fraction form
    1,275,352.70/1,757,935.43 = 861,760.35/x
  3. Step 3: Cross multiply
    1,275,352.70x = 1,757,935.43 × 861,760.35
  4. Step 4: Simplify right side
    1,275,352.70x = 1,514,919,060,196.99
  5. Step 5: Solve for x
    x = 1,514,919,060,196.99/1,275,352.70
  6. Step 6: Final answer
    x = 1,187,843.23

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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.