Home / 1,149,281.52-1,722,739.40-509,886.37

Finding the Fourth Proportional to 1,149,281.52, 1,722,739.40 and 509,886.37

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Solution

The fourth proportional to 1,149,281.52, 1,722,739.40 and 509,886.37 is: 764,304.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,281.52 : 1,722,739.40 = 509,886.37 : x
  2. Step 2: Convert to fraction form
    1,149,281.52/1,722,739.40 = 509,886.37/x
  3. Step 3: Cross multiply
    1,149,281.52x = 1,722,739.40 × 509,886.37
  4. Step 4: Simplify right side
    1,149,281.52x = 878,401,339,121.98
  5. Step 5: Solve for x
    x = 878,401,339,121.98/1,149,281.52
  6. Step 6: Final answer
    x = 764,304.76

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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.