Home / 1,278,181.56-1,764,046.77-734,316.33

Finding the Fourth Proportional to 1,278,181.56, 1,764,046.77 and 734,316.33

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Solution

The fourth proportional to 1,278,181.56, 1,764,046.77 and 734,316.33 is: 1,013,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,181.56 : 1,764,046.77 = 734,316.33 : x
  2. Step 2: Convert to fraction form
    1,278,181.56/1,764,046.77 = 734,316.33/x
  3. Step 3: Cross multiply
    1,278,181.56x = 1,764,046.77 × 734,316.33
  4. Step 4: Simplify right side
    1,278,181.56x = 1,295,368,350,094.75
  5. Step 5: Solve for x
    x = 1,295,368,350,094.75/1,278,181.56
  6. Step 6: Final answer
    x = 1,013,446.28

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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.