Home / 1,297,489.80-1,946,234.70-1,224,006.60

Finding the Fourth Proportional to 1,297,489.80, 1,946,234.70 and 1,224,006.60

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Solution

The fourth proportional to 1,297,489.80, 1,946,234.70 and 1,224,006.60 is: 1,836,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,489.80 : 1,946,234.70 = 1,224,006.60 : x
  2. Step 2: Convert to fraction form
    1,297,489.80/1,946,234.70 = 1,224,006.60/x
  3. Step 3: Cross multiply
    1,297,489.80x = 1,946,234.70 × 1,224,006.60
  4. Step 4: Simplify right side
    1,297,489.80x = 2,382,204,117,949.02
  5. Step 5: Solve for x
    x = 2,382,204,117,949.02/1,297,489.80
  6. Step 6: Final answer
    x = 1,836,009.90

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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.