Home / 1,339,502.40-2,005,754.40-1,276,516.80

Finding the Fourth Proportional to 1,339,502.40, 2,005,754.40 and 1,276,516.80

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Solution

The fourth proportional to 1,339,502.40, 2,005,754.40 and 1,276,516.80 is: 1,911,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,502.40 : 2,005,754.40 = 1,276,516.80 : x
  2. Step 2: Convert to fraction form
    1,339,502.40/2,005,754.40 = 1,276,516.80/x
  3. Step 3: Cross multiply
    1,339,502.40x = 2,005,754.40 × 1,276,516.80
  4. Step 4: Simplify right side
    1,339,502.40x = 2,560,379,188,273.92
  5. Step 5: Solve for x
    x = 2,560,379,188,273.92/1,339,502.40
  6. Step 6: Final answer
    x = 1,911,440.54

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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.