Home / 1,078,728.68-1,617,576-509,636.04

Finding the Fourth Proportional to 1,078,728.68, 1,617,576 and 509,636.04

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Solution

The fourth proportional to 1,078,728.68, 1,617,576 and 509,636.04 is: 764,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,728.68 : 1,617,576 = 509,636.04 : x
  2. Step 2: Convert to fraction form
    1,078,728.68/1,617,576 = 509,636.04/x
  3. Step 3: Cross multiply
    1,078,728.68x = 1,617,576 × 509,636.04
  4. Step 4: Simplify right side
    1,078,728.68x = 824,375,027,039.04
  5. Step 5: Solve for x
    x = 824,375,027,039.04/1,078,728.68
  6. Step 6: Final answer
    x = 764,209.80

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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.