Home / 2,261,259.20-3,389,780.64-764,304.32

Finding the Fourth Proportional to 2,261,259.20, 3,389,780.64 and 764,304.32

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Solution

The fourth proportional to 2,261,259.20, 3,389,780.64 and 764,304.32 is: 1,145,743.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,259.20 : 3,389,780.64 = 764,304.32 : x
  2. Step 2: Convert to fraction form
    2,261,259.20/3,389,780.64 = 764,304.32/x
  3. Step 3: Cross multiply
    2,261,259.20x = 3,389,780.64 × 764,304.32
  4. Step 4: Simplify right side
    2,261,259.20x = 2,590,823,987,004.36
  5. Step 5: Solve for x
    x = 2,590,823,987,004.36/2,261,259.20
  6. Step 6: Final answer
    x = 1,145,743.92

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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.