Home / 1,190,268.90-1,642,603.56-700,272.78

Finding the Fourth Proportional to 1,190,268.90, 1,642,603.56 and 700,272.78

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Solution

The fourth proportional to 1,190,268.90, 1,642,603.56 and 700,272.78 is: 966,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,268.90 : 1,642,603.56 = 700,272.78 : x
  2. Step 2: Convert to fraction form
    1,190,268.90/1,642,603.56 = 700,272.78/x
  3. Step 3: Cross multiply
    1,190,268.90x = 1,642,603.56 × 700,272.78
  4. Step 4: Simplify right side
    1,190,268.90x = 1,150,270,561,399.10
  5. Step 5: Solve for x
    x = 1,150,270,561,399.10/1,190,268.90
  6. Step 6: Final answer
    x = 966,395.54

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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.