Home / 1,253,367.36-1,729,464.48-716,719.68

Finding the Fourth Proportional to 1,253,367.36, 1,729,464.48 and 716,719.68

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Solution

The fourth proportional to 1,253,367.36, 1,729,464.48 and 716,719.68 is: 988,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,367.36 : 1,729,464.48 = 716,719.68 : x
  2. Step 2: Convert to fraction form
    1,253,367.36/1,729,464.48 = 716,719.68/x
  3. Step 3: Cross multiply
    1,253,367.36x = 1,729,464.48 × 716,719.68
  4. Step 4: Simplify right side
    1,253,367.36x = 1,239,541,228,676.97
  5. Step 5: Solve for x
    x = 1,239,541,228,676.97/1,253,367.36
  6. Step 6: Final answer
    x = 988,968.81

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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.