Home / 1,491,728.40-2,238,467.40-545,194.80

Finding the Fourth Proportional to 1,491,728.40, 2,238,467.40 and 545,194.80

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Solution

The fourth proportional to 1,491,728.40, 2,238,467.40 and 545,194.80 is: 818,111.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,728.40 : 2,238,467.40 = 545,194.80 : x
  2. Step 2: Convert to fraction form
    1,491,728.40/2,238,467.40 = 545,194.80/x
  3. Step 3: Cross multiply
    1,491,728.40x = 2,238,467.40 × 545,194.80
  4. Step 4: Simplify right side
    1,491,728.40x = 1,220,400,786,449.52
  5. Step 5: Solve for x
    x = 1,220,400,786,449.52/1,491,728.40
  6. Step 6: Final answer
    x = 818,111.92

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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.