Home / 1,297,660.33-1,790,765.34-716,883.62

Finding the Fourth Proportional to 1,297,660.33, 1,790,765.34 and 716,883.62

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Solution

The fourth proportional to 1,297,660.33, 1,790,765.34 and 716,883.62 is: 989,296.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,660.33 : 1,790,765.34 = 716,883.62 : x
  2. Step 2: Convert to fraction form
    1,297,660.33/1,790,765.34 = 716,883.62/x
  3. Step 3: Cross multiply
    1,297,660.33x = 1,790,765.34 × 716,883.62
  4. Step 4: Simplify right side
    1,297,660.33x = 1,283,770,339,509.73
  5. Step 5: Solve for x
    x = 1,283,770,339,509.73/1,297,660.33
  6. Step 6: Final answer
    x = 989,296.13

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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.