Home / 1,297,568.12-1,790,694.68-716,821.20

Finding the Fourth Proportional to 1,297,568.12, 1,790,694.68 and 716,821.20

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Solution

The fourth proportional to 1,297,568.12, 1,790,694.68 and 716,821.20 is: 989,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,568.12 : 1,790,694.68 = 716,821.20 : x
  2. Step 2: Convert to fraction form
    1,297,568.12/1,790,694.68 = 716,821.20/x
  3. Step 3: Cross multiply
    1,297,568.12x = 1,790,694.68 × 716,821.20
  4. Step 4: Simplify right side
    1,297,568.12x = 1,283,607,905,767.11
  5. Step 5: Solve for x
    x = 1,283,607,905,767.11/1,297,568.12
  6. Step 6: Final answer
    x = 989,241.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.