Home / 1,538,960.56-2,308,556.80-459,387.80

Finding the Fourth Proportional to 1,538,960.56, 2,308,556.80 and 459,387.80

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Solution

The fourth proportional to 1,538,960.56, 2,308,556.80 and 459,387.80 is: 689,116.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,960.56 : 2,308,556.80 = 459,387.80 : x
  2. Step 2: Convert to fraction form
    1,538,960.56/2,308,556.80 = 459,387.80/x
  3. Step 3: Cross multiply
    1,538,960.56x = 2,308,556.80 × 459,387.80
  4. Step 4: Simplify right side
    1,538,960.56x = 1,060,522,829,527.04
  5. Step 5: Solve for x
    x = 1,060,522,829,527.04/1,538,960.56
  6. Step 6: Final answer
    x = 689,116.31

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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.