Home / 1,122,943.20-1,684,414.80-945,796.20

Finding the Fourth Proportional to 1,122,943.20, 1,684,414.80 and 945,796.20

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Solution

The fourth proportional to 1,122,943.20, 1,684,414.80 and 945,796.20 is: 1,418,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,943.20 : 1,684,414.80 = 945,796.20 : x
  2. Step 2: Convert to fraction form
    1,122,943.20/1,684,414.80 = 945,796.20/x
  3. Step 3: Cross multiply
    1,122,943.20x = 1,684,414.80 × 945,796.20
  4. Step 4: Simplify right side
    1,122,943.20x = 1,593,113,117,063.76
  5. Step 5: Solve for x
    x = 1,593,113,117,063.76/1,122,943.20
  6. Step 6: Final answer
    x = 1,418,694.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.