Home / 1,086,405.10-1,629,607.65-806,469.10

Finding the Fourth Proportional to 1,086,405.10, 1,629,607.65 and 806,469.10

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Solution

The fourth proportional to 1,086,405.10, 1,629,607.65 and 806,469.10 is: 1,209,703.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,405.10 : 1,629,607.65 = 806,469.10 : x
  2. Step 2: Convert to fraction form
    1,086,405.10/1,629,607.65 = 806,469.10/x
  3. Step 3: Cross multiply
    1,086,405.10x = 1,629,607.65 × 806,469.10
  4. Step 4: Simplify right side
    1,086,405.10x = 1,314,228,214,848.62
  5. Step 5: Solve for x
    x = 1,314,228,214,848.62/1,086,405.10
  6. Step 6: Final answer
    x = 1,209,703.65

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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.