Home / 1,268,297.60-1,749,323.40-809,727.44

Finding the Fourth Proportional to 1,268,297.60, 1,749,323.40 and 809,727.44

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Solution

The fourth proportional to 1,268,297.60, 1,749,323.40 and 809,727.44 is: 1,116,831.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,297.60 : 1,749,323.40 = 809,727.44 : x
  2. Step 2: Convert to fraction form
    1,268,297.60/1,749,323.40 = 809,727.44/x
  3. Step 3: Cross multiply
    1,268,297.60x = 1,749,323.40 × 809,727.44
  4. Step 4: Simplify right side
    1,268,297.60x = 1,416,475,158,414.10
  5. Step 5: Solve for x
    x = 1,416,475,158,414.10/1,268,297.60
  6. Step 6: Final answer
    x = 1,116,831.85

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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.