Home / 1,296,208.20-1,940,375.70-1,154,490.60

Finding the Fourth Proportional to 1,296,208.20, 1,940,375.70 and 1,154,490.60

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Solution

The fourth proportional to 1,296,208.20, 1,940,375.70 and 1,154,490.60 is: 1,728,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,208.20 : 1,940,375.70 = 1,154,490.60 : x
  2. Step 2: Convert to fraction form
    1,296,208.20/1,940,375.70 = 1,154,490.60/x
  3. Step 3: Cross multiply
    1,296,208.20x = 1,940,375.70 × 1,154,490.60
  4. Step 4: Simplify right side
    1,296,208.20x = 2,240,145,506,118.42
  5. Step 5: Solve for x
    x = 2,240,145,506,118.42/1,296,208.20
  6. Step 6: Final answer
    x = 1,728,229.70

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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.