Home / 1,467,784.76-2,201,423.20-388,310.72

Finding the Fourth Proportional to 1,467,784.76, 2,201,423.20 and 388,310.72

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Solution

The fourth proportional to 1,467,784.76, 2,201,423.20 and 388,310.72 is: 582,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,784.76 : 2,201,423.20 = 388,310.72 : x
  2. Step 2: Convert to fraction form
    1,467,784.76/2,201,423.20 = 388,310.72/x
  3. Step 3: Cross multiply
    1,467,784.76x = 2,201,423.20 × 388,310.72
  4. Step 4: Simplify right side
    1,467,784.76x = 854,836,227,816.70
  5. Step 5: Solve for x
    x = 854,836,227,816.70/1,467,784.76
  6. Step 6: Final answer
    x = 582,398.90

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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.