Home / 1,612,418.77-2,418,978.05-490,458.61

Finding the Fourth Proportional to 1,612,418.77, 2,418,978.05 and 490,458.61

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Solution

The fourth proportional to 1,612,418.77, 2,418,978.05 and 490,458.61 is: 735,794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,418.77 : 2,418,978.05 = 490,458.61 : x
  2. Step 2: Convert to fraction form
    1,612,418.77/2,418,978.05 = 490,458.61/x
  3. Step 3: Cross multiply
    1,612,418.77x = 2,418,978.05 × 490,458.61
  4. Step 4: Simplify right side
    1,612,418.77x = 1,186,408,597,476.33
  5. Step 5: Solve for x
    x = 1,186,408,597,476.33/1,612,418.77
  6. Step 6: Final answer
    x = 735,794.34

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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.