Home / 1,086,610.08-1,631,621.07-920,310.60

Finding the Fourth Proportional to 1,086,610.08, 1,631,621.07 and 920,310.60

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Solution

The fourth proportional to 1,086,610.08, 1,631,621.07 and 920,310.60 is: 1,381,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,610.08 : 1,631,621.07 = 920,310.60 : x
  2. Step 2: Convert to fraction form
    1,086,610.08/1,631,621.07 = 920,310.60/x
  3. Step 3: Cross multiply
    1,086,610.08x = 1,631,621.07 × 920,310.60
  4. Step 4: Simplify right side
    1,086,610.08x = 1,501,598,165,904.34
  5. Step 5: Solve for x
    x = 1,501,598,165,904.34/1,086,610.08
  6. Step 6: Final answer
    x = 1,381,910.76

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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.