Home / 1,212,351.30-1,816,164.99-737,859.78

Finding the Fourth Proportional to 1,212,351.30, 1,816,164.99 and 737,859.78

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Solution

The fourth proportional to 1,212,351.30, 1,816,164.99 and 737,859.78 is: 1,105,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,351.30 : 1,816,164.99 = 737,859.78 : x
  2. Step 2: Convert to fraction form
    1,212,351.30/1,816,164.99 = 737,859.78/x
  3. Step 3: Cross multiply
    1,212,351.30x = 1,816,164.99 × 737,859.78
  4. Step 4: Simplify right side
    1,212,351.30x = 1,340,075,099,965.10
  5. Step 5: Solve for x
    x = 1,340,075,099,965.10/1,212,351.30
  6. Step 6: Final answer
    x = 1,105,352.14

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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.