Home / 1,307,800.20-1,961,724.96-361,196.04

Finding the Fourth Proportional to 1,307,800.20, 1,961,724.96 and 361,196.04

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Solution

The fourth proportional to 1,307,800.20, 1,961,724.96 and 361,196.04 is: 541,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,800.20 : 1,961,724.96 = 361,196.04 : x
  2. Step 2: Convert to fraction form
    1,307,800.20/1,961,724.96 = 361,196.04/x
  3. Step 3: Cross multiply
    1,307,800.20x = 1,961,724.96 × 361,196.04
  4. Step 4: Simplify right side
    1,307,800.20x = 708,567,287,121.16
  5. Step 5: Solve for x
    x = 708,567,287,121.16/1,307,800.20
  6. Step 6: Final answer
    x = 541,800.87

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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.