Home / 1,270,735.47-1,901,338.95-756,519.75

Finding the Fourth Proportional to 1,270,735.47, 1,901,338.95 and 756,519.75

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Solution

The fourth proportional to 1,270,735.47, 1,901,338.95 and 756,519.75 is: 1,131,943.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,735.47 : 1,901,338.95 = 756,519.75 : x
  2. Step 2: Convert to fraction form
    1,270,735.47/1,901,338.95 = 756,519.75/x
  3. Step 3: Cross multiply
    1,270,735.47x = 1,901,338.95 × 756,519.75
  4. Step 4: Simplify right side
    1,270,735.47x = 1,438,400,467,119.26
  5. Step 5: Solve for x
    x = 1,438,400,467,119.26/1,270,735.47
  6. Step 6: Final answer
    x = 1,131,943.27

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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.