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Finding the Fourth Proportional to 1,270,656, 1,753,505.28 and 734,112

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Solution

The fourth proportional to 1,270,656, 1,753,505.28 and 734,112 is: 1,013,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,656 : 1,753,505.28 = 734,112 : x
  2. Step 2: Convert to fraction form
    1,270,656/1,753,505.28 = 734,112/x
  3. Step 3: Cross multiply
    1,270,656x = 1,753,505.28 × 734,112
  4. Step 4: Simplify right side
    1,270,656x = 1,287,269,268,111.36
  5. Step 5: Solve for x
    x = 1,287,269,268,111.36/1,270,656
  6. Step 6: Final answer
    x = 1,013,074.56

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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.