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Finding the Fourth Proportional to 1,121,367, 1,682,750.34 and 456,519

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Solution

The fourth proportional to 1,121,367, 1,682,750.34 and 456,519 is: 685,063.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,367 : 1,682,750.34 = 456,519 : x
  2. Step 2: Convert to fraction form
    1,121,367/1,682,750.34 = 456,519/x
  3. Step 3: Cross multiply
    1,121,367x = 1,682,750.34 × 456,519
  4. Step 4: Simplify right side
    1,121,367x = 768,207,502,466.46
  5. Step 5: Solve for x
    x = 768,207,502,466.46/1,121,367
  6. Step 6: Final answer
    x = 685,063.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.