Home / 1,510,891.81-2,085,043.29-822,568.41

Finding the Fourth Proportional to 1,510,891.81, 2,085,043.29 and 822,568.41

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Solution

The fourth proportional to 1,510,891.81, 2,085,043.29 and 822,568.41 is: 1,135,151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,891.81 : 2,085,043.29 = 822,568.41 : x
  2. Step 2: Convert to fraction form
    1,510,891.81/2,085,043.29 = 822,568.41/x
  3. Step 3: Cross multiply
    1,510,891.81x = 2,085,043.29 × 822,568.41
  4. Step 4: Simplify right side
    1,510,891.81x = 1,715,090,743,836.47
  5. Step 5: Solve for x
    x = 1,715,090,743,836.47/1,510,891.81
  6. Step 6: Final answer
    x = 1,135,151.26

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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.