Home / 1,945,445.45-2,684,759.99-1,220,323.73

Finding the Fourth Proportional to 1,945,445.45, 2,684,759.99 and 1,220,323.73

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Solution

The fourth proportional to 1,945,445.45, 2,684,759.99 and 1,220,323.73 is: 1,684,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,445.45 : 2,684,759.99 = 1,220,323.73 : x
  2. Step 2: Convert to fraction form
    1,945,445.45/2,684,759.99 = 1,220,323.73/x
  3. Step 3: Cross multiply
    1,945,445.45x = 2,684,759.99 × 1,220,323.73
  4. Step 4: Simplify right side
    1,945,445.45x = 3,276,276,305,626.14
  5. Step 5: Solve for x
    x = 3,276,276,305,626.14/1,945,445.45
  6. Step 6: Final answer
    x = 1,684,075.14

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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.