Home / 1,086,650.34-1,629,310.64-518,205.30

Finding the Fourth Proportional to 1,086,650.34, 1,629,310.64 and 518,205.30

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Solution

The fourth proportional to 1,086,650.34, 1,629,310.64 and 518,205.30 is: 776,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,650.34 : 1,629,310.64 = 518,205.30 : x
  2. Step 2: Convert to fraction form
    1,086,650.34/1,629,310.64 = 518,205.30/x
  3. Step 3: Cross multiply
    1,086,650.34x = 1,629,310.64 × 518,205.30
  4. Step 4: Simplify right side
    1,086,650.34x = 844,317,406,403.37
  5. Step 5: Solve for x
    x = 844,317,406,403.37/1,086,650.34
  6. Step 6: Final answer
    x = 776,990.88

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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.