Home / 1,388,205.68-2,082,098.12-477,526.73

Finding the Fourth Proportional to 1,388,205.68, 2,082,098.12 and 477,526.73

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Solution

The fourth proportional to 1,388,205.68, 2,082,098.12 and 477,526.73 is: 716,217.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,205.68 : 2,082,098.12 = 477,526.73 : x
  2. Step 2: Convert to fraction form
    1,388,205.68/2,082,098.12 = 477,526.73/x
  3. Step 3: Cross multiply
    1,388,205.68x = 2,082,098.12 × 477,526.73
  4. Step 4: Simplify right side
    1,388,205.68x = 994,257,493,984.62
  5. Step 5: Solve for x
    x = 994,257,493,984.62/1,388,205.68
  6. Step 6: Final answer
    x = 716,217.71

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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.