Home / 1,383,723.85-2,075,599.70-485,187.22

Finding the Fourth Proportional to 1,383,723.85, 2,075,599.70 and 485,187.22

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Solution

The fourth proportional to 1,383,723.85, 2,075,599.70 and 485,187.22 is: 727,785.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,723.85 : 2,075,599.70 = 485,187.22 : x
  2. Step 2: Convert to fraction form
    1,383,723.85/2,075,599.70 = 485,187.22/x
  3. Step 3: Cross multiply
    1,383,723.85x = 2,075,599.70 × 485,187.22
  4. Step 4: Simplify right side
    1,383,723.85x = 1,007,054,444,299.80
  5. Step 5: Solve for x
    x = 1,007,054,444,299.80/1,383,723.85
  6. Step 6: Final answer
    x = 727,785.71

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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.