Home / 1,412,126.52-2,116,999.26-612,805.92

Finding the Fourth Proportional to 1,412,126.52, 2,116,999.26 and 612,805.92

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Solution

The fourth proportional to 1,412,126.52, 2,116,999.26 and 612,805.92 is: 918,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,126.52 : 2,116,999.26 = 612,805.92 : x
  2. Step 2: Convert to fraction form
    1,412,126.52/2,116,999.26 = 612,805.92/x
  3. Step 3: Cross multiply
    1,412,126.52x = 2,116,999.26 × 612,805.92
  4. Step 4: Simplify right side
    1,412,126.52x = 1,297,309,679,163.62
  5. Step 5: Solve for x
    x = 1,297,309,679,163.62/1,412,126.52
  6. Step 6: Final answer
    x = 918,692.24

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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.