Home / 1,388,614.69-2,082,383.53-477,623.95

Finding the Fourth Proportional to 1,388,614.69, 2,082,383.53 and 477,623.95

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Solution

The fourth proportional to 1,388,614.69, 2,082,383.53 and 477,623.95 is: 716,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,614.69 : 2,082,383.53 = 477,623.95 : x
  2. Step 2: Convert to fraction form
    1,388,614.69/2,082,383.53 = 477,623.95/x
  3. Step 3: Cross multiply
    1,388,614.69x = 2,082,383.53 × 477,623.95
  4. Step 4: Simplify right side
    1,388,614.69x = 994,596,247,013.54
  5. Step 5: Solve for x
    x = 994,596,247,013.54/1,388,614.69
  6. Step 6: Final answer
    x = 716,250.70

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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.