Home / 1,383,517.55-2,075,338.49-423,902.85

Finding the Fourth Proportional to 1,383,517.55, 2,075,338.49 and 423,902.85

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Solution

The fourth proportional to 1,383,517.55, 2,075,338.49 and 423,902.85 is: 635,873.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,517.55 : 2,075,338.49 = 423,902.85 : x
  2. Step 2: Convert to fraction form
    1,383,517.55/2,075,338.49 = 423,902.85/x
  3. Step 3: Cross multiply
    1,383,517.55x = 2,075,338.49 × 423,902.85
  4. Step 4: Simplify right side
    1,383,517.55x = 879,741,900,625.70
  5. Step 5: Solve for x
    x = 879,741,900,625.70/1,383,517.55
  6. Step 6: Final answer
    x = 635,873.32

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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.