Home / 925,969.20-1,388,953.80-825,585.90

Finding the Fourth Proportional to 925,969.20, 1,388,953.80 and 825,585.90

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Solution

The fourth proportional to 925,969.20, 1,388,953.80 and 825,585.90 is: 1,238,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,969.20 : 1,388,953.80 = 825,585.90 : x
  2. Step 2: Convert to fraction form
    925,969.20/1,388,953.80 = 825,585.90/x
  3. Step 3: Cross multiply
    925,969.20x = 1,388,953.80 × 825,585.90
  4. Step 4: Simplify right side
    925,969.20x = 1,146,700,673,031.42
  5. Step 5: Solve for x
    x = 1,146,700,673,031.42/925,969.20
  6. Step 6: Final answer
    x = 1,238,378.85

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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.