Home / 1,226,012.28-1,691,748.36-682,019.52

Finding the Fourth Proportional to 1,226,012.28, 1,691,748.36 and 682,019.52

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Solution

The fourth proportional to 1,226,012.28, 1,691,748.36 and 682,019.52 is: 941,104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,012.28 : 1,691,748.36 = 682,019.52 : x
  2. Step 2: Convert to fraction form
    1,226,012.28/1,691,748.36 = 682,019.52/x
  3. Step 3: Cross multiply
    1,226,012.28x = 1,691,748.36 × 682,019.52
  4. Step 4: Simplify right side
    1,226,012.28x = 1,153,805,404,447.99
  5. Step 5: Solve for x
    x = 1,153,805,404,447.99/1,226,012.28
  6. Step 6: Final answer
    x = 941,104.28

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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.