Home / 1,320,169.98-1,979,937.90-609,515.22

Finding the Fourth Proportional to 1,320,169.98, 1,979,937.90 and 609,515.22

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Solution

The fourth proportional to 1,320,169.98, 1,979,937.90 and 609,515.22 is: 914,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,169.98 : 1,979,937.90 = 609,515.22 : x
  2. Step 2: Convert to fraction form
    1,320,169.98/1,979,937.90 = 609,515.22/x
  3. Step 3: Cross multiply
    1,320,169.98x = 1,979,937.90 × 609,515.22
  4. Step 4: Simplify right side
    1,320,169.98x = 1,206,802,284,704.84
  5. Step 5: Solve for x
    x = 1,206,802,284,704.84/1,320,169.98
  6. Step 6: Final answer
    x = 914,126.44

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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.