Home / 1,100,428.20-1,650,642.30-622,131.30

Finding the Fourth Proportional to 1,100,428.20, 1,650,642.30 and 622,131.30

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Solution

The fourth proportional to 1,100,428.20, 1,650,642.30 and 622,131.30 is: 933,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,428.20 : 1,650,642.30 = 622,131.30 : x
  2. Step 2: Convert to fraction form
    1,100,428.20/1,650,642.30 = 622,131.30/x
  3. Step 3: Cross multiply
    1,100,428.20x = 1,650,642.30 × 622,131.30
  4. Step 4: Simplify right side
    1,100,428.20x = 1,026,916,239,933.99
  5. Step 5: Solve for x
    x = 1,026,916,239,933.99/1,100,428.20
  6. Step 6: Final answer
    x = 933,196.95

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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.