Home / 1,238,324.40-1,859,236.20-765,932.40

Finding the Fourth Proportional to 1,238,324.40, 1,859,236.20 and 765,932.40

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Solution

The fourth proportional to 1,238,324.40, 1,859,236.20 and 765,932.40 is: 1,149,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,324.40 : 1,859,236.20 = 765,932.40 : x
  2. Step 2: Convert to fraction form
    1,238,324.40/1,859,236.20 = 765,932.40/x
  3. Step 3: Cross multiply
    1,238,324.40x = 1,859,236.20 × 765,932.40
  4. Step 4: Simplify right side
    1,238,324.40x = 1,424,049,244,832.88
  5. Step 5: Solve for x
    x = 1,424,049,244,832.88/1,238,324.40
  6. Step 6: Final answer
    x = 1,149,980.77

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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.