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Finding the Fourth Proportional to 1,010,892, 1,516,425.48 and 262,938

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Solution

The fourth proportional to 1,010,892, 1,516,425.48 and 262,938 is: 394,429.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,892 : 1,516,425.48 = 262,938 : x
  2. Step 2: Convert to fraction form
    1,010,892/1,516,425.48 = 262,938/x
  3. Step 3: Cross multiply
    1,010,892x = 1,516,425.48 × 262,938
  4. Step 4: Simplify right side
    1,010,892x = 398,725,882,860.24
  5. Step 5: Solve for x
    x = 398,725,882,860.24/1,010,892
  6. Step 6: Final answer
    x = 394,429.75

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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.