Home / 1,538,963.33-2,308,560.93-459,390.56

Finding the Fourth Proportional to 1,538,963.33, 2,308,560.93 and 459,390.56

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Solution

The fourth proportional to 1,538,963.33, 2,308,560.93 and 459,390.56 is: 689,120.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,963.33 : 2,308,560.93 = 459,390.56 : x
  2. Step 2: Convert to fraction form
    1,538,963.33/2,308,560.93 = 459,390.56/x
  3. Step 3: Cross multiply
    1,538,963.33x = 2,308,560.93 × 459,390.56
  4. Step 4: Simplify right side
    1,538,963.33x = 1,060,531,086,884.02
  5. Step 5: Solve for x
    x = 1,060,531,086,884.02/1,538,963.33
  6. Step 6: Final answer
    x = 689,120.44

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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.