Home / 1,253,352.36-1,729,443.78-716,704.68

Finding the Fourth Proportional to 1,253,352.36, 1,729,443.78 and 716,704.68

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Solution

The fourth proportional to 1,253,352.36, 1,729,443.78 and 716,704.68 is: 988,948.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,352.36 : 1,729,443.78 = 716,704.68 : x
  2. Step 2: Convert to fraction form
    1,253,352.36/1,729,443.78 = 716,704.68/x
  3. Step 3: Cross multiply
    1,253,352.36x = 1,729,443.78 × 716,704.68
  4. Step 4: Simplify right side
    1,253,352.36x = 1,239,500,450,922.89
  5. Step 5: Solve for x
    x = 1,239,500,450,922.89/1,253,352.36
  6. Step 6: Final answer
    x = 988,948.11

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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.