Home / 1,399,607.97-2,099,745.11-452,978.68

Finding the Fourth Proportional to 1,399,607.97, 2,099,745.11 and 452,978.68

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Solution

The fourth proportional to 1,399,607.97, 2,099,745.11 and 452,978.68 is: 679,575.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,607.97 : 2,099,745.11 = 452,978.68 : x
  2. Step 2: Convert to fraction form
    1,399,607.97/2,099,745.11 = 452,978.68/x
  3. Step 3: Cross multiply
    1,399,607.97x = 2,099,745.11 × 452,978.68
  4. Step 4: Simplify right side
    1,399,607.97x = 951,139,755,500.64
  5. Step 5: Solve for x
    x = 951,139,755,500.64/1,399,607.97
  6. Step 6: Final answer
    x = 679,575.84

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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.