Home / 1,091,418.25-1,638,244.54-901,272.77

Finding the Fourth Proportional to 1,091,418.25, 1,638,244.54 and 901,272.77

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Solution

The fourth proportional to 1,091,418.25, 1,638,244.54 and 901,272.77 is: 1,352,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,418.25 : 1,638,244.54 = 901,272.77 : x
  2. Step 2: Convert to fraction form
    1,091,418.25/1,638,244.54 = 901,272.77/x
  3. Step 3: Cross multiply
    1,091,418.25x = 1,638,244.54 × 901,272.77
  4. Step 4: Simplify right side
    1,091,418.25x = 1,476,505,202,797.09
  5. Step 5: Solve for x
    x = 1,476,505,202,797.09/1,091,418.25
  6. Step 6: Final answer
    x = 1,352,831.70

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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.