Home / 1,295,620.54-1,787,951.66-722,660.26

Finding the Fourth Proportional to 1,295,620.54, 1,787,951.66 and 722,660.26

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Solution

The fourth proportional to 1,295,620.54, 1,787,951.66 and 722,660.26 is: 997,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,620.54 : 1,787,951.66 = 722,660.26 : x
  2. Step 2: Convert to fraction form
    1,295,620.54/1,787,951.66 = 722,660.26/x
  3. Step 3: Cross multiply
    1,295,620.54x = 1,787,951.66 × 722,660.26
  4. Step 4: Simplify right side
    1,295,620.54x = 1,292,081,611,483.03
  5. Step 5: Solve for x
    x = 1,292,081,611,483.03/1,295,620.54
  6. Step 6: Final answer
    x = 997,268.55

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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.