Home / 1,320,205.40-1,984,536.30-1,226,601.80

Finding the Fourth Proportional to 1,320,205.40, 1,984,536.30 and 1,226,601.80

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Solution

The fourth proportional to 1,320,205.40, 1,984,536.30 and 1,226,601.80 is: 1,843,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,205.40 : 1,984,536.30 = 1,226,601.80 : x
  2. Step 2: Convert to fraction form
    1,320,205.40/1,984,536.30 = 1,226,601.80/x
  3. Step 3: Cross multiply
    1,320,205.40x = 1,984,536.30 × 1,226,601.80
  4. Step 4: Simplify right side
    1,320,205.40x = 2,434,235,797,745.34
  5. Step 5: Solve for x
    x = 2,434,235,797,745.34/1,320,205.40
  6. Step 6: Final answer
    x = 1,843,831.12

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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.