Home / 1,270,736.47-1,901,340.45-756,520.75

Finding the Fourth Proportional to 1,270,736.47, 1,901,340.45 and 756,520.75

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Solution

The fourth proportional to 1,270,736.47, 1,901,340.45 and 756,520.75 is: 1,131,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,736.47 : 1,901,340.45 = 756,520.75 : x
  2. Step 2: Convert to fraction form
    1,270,736.47/1,901,340.45 = 756,520.75/x
  3. Step 3: Cross multiply
    1,270,736.47x = 1,901,340.45 × 756,520.75
  4. Step 4: Simplify right side
    1,270,736.47x = 1,438,403,503,239.34
  5. Step 5: Solve for x
    x = 1,438,403,503,239.34/1,270,736.47
  6. Step 6: Final answer
    x = 1,131,944.77

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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.