Home / 1,456,189.55-2,185,268.48-509,568.47

Finding the Fourth Proportional to 1,456,189.55, 2,185,268.48 and 509,568.47

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Solution

The fourth proportional to 1,456,189.55, 2,185,268.48 and 509,568.47 is: 764,697.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,189.55 : 2,185,268.48 = 509,568.47 : x
  2. Step 2: Convert to fraction form
    1,456,189.55/2,185,268.48 = 509,568.47/x
  3. Step 3: Cross multiply
    1,456,189.55x = 2,185,268.48 × 509,568.47
  4. Step 4: Simplify right side
    1,456,189.55x = 1,113,543,902,418.64
  5. Step 5: Solve for x
    x = 1,113,543,902,418.64/1,456,189.55
  6. Step 6: Final answer
    x = 764,697.09

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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.