Home / 1,591,830.72-2,388,183.12-469,899.36

Finding the Fourth Proportional to 1,591,830.72, 2,388,183.12 and 469,899.36

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Solution

The fourth proportional to 1,591,830.72, 2,388,183.12 and 469,899.36 is: 704,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,830.72 : 2,388,183.12 = 469,899.36 : x
  2. Step 2: Convert to fraction form
    1,591,830.72/2,388,183.12 = 469,899.36/x
  3. Step 3: Cross multiply
    1,591,830.72x = 2,388,183.12 × 469,899.36
  4. Step 4: Simplify right side
    1,591,830.72x = 1,122,205,719,650.80
  5. Step 5: Solve for x
    x = 1,122,205,719,650.80/1,591,830.72
  6. Step 6: Final answer
    x = 704,978.05

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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.