Home / 1,388,578.17-2,082,732.39-942,167.73

Finding the Fourth Proportional to 1,388,578.17, 2,082,732.39 and 942,167.73

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Solution

The fourth proportional to 1,388,578.17, 2,082,732.39 and 942,167.73 is: 1,413,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,578.17 : 2,082,732.39 = 942,167.73 : x
  2. Step 2: Convert to fraction form
    1,388,578.17/2,082,732.39 = 942,167.73/x
  3. Step 3: Cross multiply
    1,388,578.17x = 2,082,732.39 × 942,167.73
  4. Step 4: Simplify right side
    1,388,578.17x = 1,962,283,248,083.77
  5. Step 5: Solve for x
    x = 1,962,283,248,083.77/1,388,578.17
  6. Step 6: Final answer
    x = 1,413,160.09

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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.