Home / 1,511,283.56-2,085,541.38-822,963.87

Finding the Fourth Proportional to 1,511,283.56, 2,085,541.38 and 822,963.87

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Solution

The fourth proportional to 1,511,283.56, 2,085,541.38 and 822,963.87 is: 1,135,673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,283.56 : 2,085,541.38 = 822,963.87 : x
  2. Step 2: Convert to fraction form
    1,511,283.56/2,085,541.38 = 822,963.87/x
  3. Step 3: Cross multiply
    1,511,283.56x = 2,085,541.38 × 822,963.87
  4. Step 4: Simplify right side
    1,511,283.56x = 1,716,325,205,129.94
  5. Step 5: Solve for x
    x = 1,716,325,205,129.94/1,511,283.56
  6. Step 6: Final answer
    x = 1,135,673.84

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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.