Home / 1,149,287.52-1,722,748.40-509,892.36

Finding the Fourth Proportional to 1,149,287.52, 1,722,748.40 and 509,892.36

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Solution

The fourth proportional to 1,149,287.52, 1,722,748.40 and 509,892.36 is: 764,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,287.52 : 1,722,748.40 = 509,892.36 : x
  2. Step 2: Convert to fraction form
    1,149,287.52/1,722,748.40 = 509,892.36/x
  3. Step 3: Cross multiply
    1,149,287.52x = 1,722,748.40 × 509,892.36
  4. Step 4: Simplify right side
    1,149,287.52x = 878,416,247,362.22
  5. Step 5: Solve for x
    x = 878,416,247,362.22/1,149,287.52
  6. Step 6: Final answer
    x = 764,313.74

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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.