Home / 1,320,180.40-1,984,498.80-1,226,576.80

Finding the Fourth Proportional to 1,320,180.40, 1,984,498.80 and 1,226,576.80

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Solution

The fourth proportional to 1,320,180.40, 1,984,498.80 and 1,226,576.80 is: 1,843,793.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,180.40 : 1,984,498.80 = 1,226,576.80 : x
  2. Step 2: Convert to fraction form
    1,320,180.40/1,984,498.80 = 1,226,576.80/x
  3. Step 3: Cross multiply
    1,320,180.40x = 1,984,498.80 × 1,226,576.80
  4. Step 4: Simplify right side
    1,320,180.40x = 2,434,140,187,707.84
  5. Step 5: Solve for x
    x = 2,434,140,187,707.84/1,320,180.40
  6. Step 6: Final answer
    x = 1,843,793.61

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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.