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Finding the Fourth Proportional to 1,270,406, 1,753,315.80 and 733,862

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Solution

The fourth proportional to 1,270,406, 1,753,315.80 and 733,862 is: 1,012,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,406 : 1,753,315.80 = 733,862 : x
  2. Step 2: Convert to fraction form
    1,270,406/1,753,315.80 = 733,862/x
  3. Step 3: Cross multiply
    1,270,406x = 1,753,315.80 × 733,862
  4. Step 4: Simplify right side
    1,270,406x = 1,286,691,839,619.60
  5. Step 5: Solve for x
    x = 1,286,691,839,619.60/1,270,406
  6. Step 6: Final answer
    x = 1,012,819.40

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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.