Home / 1,511,278.77-2,085,534.85-822,959.10

Finding the Fourth Proportional to 1,511,278.77, 2,085,534.85 and 822,959.10

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Solution

The fourth proportional to 1,511,278.77, 2,085,534.85 and 822,959.10 is: 1,135,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,278.77 : 2,085,534.85 = 822,959.10 : x
  2. Step 2: Convert to fraction form
    1,511,278.77/2,085,534.85 = 822,959.10/x
  3. Step 3: Cross multiply
    1,511,278.77x = 2,085,534.85 × 822,959.10
  4. Step 4: Simplify right side
    1,511,278.77x = 1,716,309,883,174.64
  5. Step 5: Solve for x
    x = 1,716,309,883,174.64/1,511,278.77
  6. Step 6: Final answer
    x = 1,135,667.30

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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.