Home / 854,788.20-1,185,002.01-809,284.02

Finding the Fourth Proportional to 854,788.20, 1,185,002.01 and 809,284.02

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Solution

The fourth proportional to 854,788.20, 1,185,002.01 and 809,284.02 is: 1,121,919.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,788.20 : 1,185,002.01 = 809,284.02 : x
  2. Step 2: Convert to fraction form
    854,788.20/1,185,002.01 = 809,284.02/x
  3. Step 3: Cross multiply
    854,788.20x = 1,185,002.01 × 809,284.02
  4. Step 4: Simplify right side
    854,788.20x = 959,003,190,360.88
  5. Step 5: Solve for x
    x = 959,003,190,360.88/854,788.20
  6. Step 6: Final answer
    x = 1,121,919.08

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.