Home / 1,298,634.75-1,947,896.69-1,268,224.52

Finding the Fourth Proportional to 1,298,634.75, 1,947,896.69 and 1,268,224.52

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Solution

The fourth proportional to 1,298,634.75, 1,947,896.69 and 1,268,224.52 is: 1,902,282.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,634.75 : 1,947,896.69 = 1,268,224.52 : x
  2. Step 2: Convert to fraction form
    1,298,634.75/1,947,896.69 = 1,268,224.52/x
  3. Step 3: Cross multiply
    1,298,634.75x = 1,947,896.69 × 1,268,224.52
  4. Step 4: Simplify right side
    1,298,634.75x = 2,470,370,328,604.23
  5. Step 5: Solve for x
    x = 2,470,370,328,604.23/1,298,634.75
  6. Step 6: Final answer
    x = 1,902,282.63

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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.