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Finding the Fourth Proportional to 1,522,218, 2,283,461.87 and 400,287

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Solution

The fourth proportional to 1,522,218, 2,283,461.87 and 400,287 is: 600,465.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,218 : 2,283,461.87 = 400,287 : x
  2. Step 2: Convert to fraction form
    1,522,218/2,283,461.87 = 400,287/x
  3. Step 3: Cross multiply
    1,522,218x = 2,283,461.87 × 400,287
  4. Step 4: Simplify right side
    1,522,218x = 914,040,101,556.69
  5. Step 5: Solve for x
    x = 914,040,101,556.69/1,522,218
  6. Step 6: Final answer
    x = 600,465.97

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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.