Home / 1,388,208.68-2,082,102.61-477,529.73

Finding the Fourth Proportional to 1,388,208.68, 2,082,102.61 and 477,529.73

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Solution

The fourth proportional to 1,388,208.68, 2,082,102.61 and 477,529.73 is: 716,222.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,208.68 : 2,082,102.61 = 477,529.73 : x
  2. Step 2: Convert to fraction form
    1,388,208.68/2,082,102.61 = 477,529.73/x
  3. Step 3: Cross multiply
    1,388,208.68x = 2,082,102.61 × 477,529.73
  4. Step 4: Simplify right side
    1,388,208.68x = 994,265,897,185.60
  5. Step 5: Solve for x
    x = 994,265,897,185.60/1,388,208.68
  6. Step 6: Final answer
    x = 716,222.22

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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.