Home / 1,491,056.64-2,236,351.68-493,784.64

Finding the Fourth Proportional to 1,491,056.64, 2,236,351.68 and 493,784.64

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Solution

The fourth proportional to 1,491,056.64, 2,236,351.68 and 493,784.64 is: 740,599.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,056.64 : 2,236,351.68 = 493,784.64 : x
  2. Step 2: Convert to fraction form
    1,491,056.64/2,236,351.68 = 493,784.64/x
  3. Step 3: Cross multiply
    1,491,056.64x = 2,236,351.68 × 493,784.64
  4. Step 4: Simplify right side
    1,491,056.64x = 1,104,276,109,222.20
  5. Step 5: Solve for x
    x = 1,104,276,109,222.20/1,491,056.64
  6. Step 6: Final answer
    x = 740,599.71

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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.