Home / 1,388,207.68-2,082,101.11-477,528.73

Finding the Fourth Proportional to 1,388,207.68, 2,082,101.11 and 477,528.73

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Solution

The fourth proportional to 1,388,207.68, 2,082,101.11 and 477,528.73 is: 716,220.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,207.68 : 2,082,101.11 = 477,528.73 : x
  2. Step 2: Convert to fraction form
    1,388,207.68/2,082,101.11 = 477,528.73/x
  3. Step 3: Cross multiply
    1,388,207.68x = 2,082,101.11 × 477,528.73
  4. Step 4: Simplify right side
    1,388,207.68x = 994,263,098,789.89
  5. Step 5: Solve for x
    x = 994,263,098,789.89/1,388,207.68
  6. Step 6: Final answer
    x = 716,220.72

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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.