Home / 1,273,404.80-1,757,139.01-860,839.23

Finding the Fourth Proportional to 1,273,404.80, 1,757,139.01 and 860,839.23

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Solution

The fourth proportional to 1,273,404.80, 1,757,139.01 and 860,839.23 is: 1,187,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,404.80 : 1,757,139.01 = 860,839.23 : x
  2. Step 2: Convert to fraction form
    1,273,404.80/1,757,139.01 = 860,839.23/x
  3. Step 3: Cross multiply
    1,273,404.80x = 1,757,139.01 × 860,839.23
  4. Step 4: Simplify right side
    1,273,404.80x = 1,512,614,192,371.36
  5. Step 5: Solve for x
    x = 1,512,614,192,371.36/1,273,404.80
  6. Step 6: Final answer
    x = 1,187,850.24

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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.