Home / 1,226,414.87-1,692,452.54-682,679.10

Finding the Fourth Proportional to 1,226,414.87, 1,692,452.54 and 682,679.10

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Solution

The fourth proportional to 1,226,414.87, 1,692,452.54 and 682,679.10 is: 942,097.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,414.87 : 1,692,452.54 = 682,679.10 : x
  2. Step 2: Convert to fraction form
    1,226,414.87/1,692,452.54 = 682,679.10/x
  3. Step 3: Cross multiply
    1,226,414.87x = 1,692,452.54 × 682,679.10
  4. Step 4: Simplify right side
    1,226,414.87x = 1,155,401,976,799.91
  5. Step 5: Solve for x
    x = 1,155,401,976,799.91/1,226,414.87
  6. Step 6: Final answer
    x = 942,097.17

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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.