Home / 1,491,753.40-2,238,504.90-545,219.80

Finding the Fourth Proportional to 1,491,753.40, 2,238,504.90 and 545,219.80

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Solution

The fourth proportional to 1,491,753.40, 2,238,504.90 and 545,219.80 is: 818,149.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,753.40 : 2,238,504.90 = 545,219.80 : x
  2. Step 2: Convert to fraction form
    1,491,753.40/2,238,504.90 = 545,219.80/x
  3. Step 3: Cross multiply
    1,491,753.40x = 2,238,504.90 × 545,219.80
  4. Step 4: Simplify right side
    1,491,753.40x = 1,220,477,193,877.02
  5. Step 5: Solve for x
    x = 1,220,477,193,877.02/1,491,753.40
  6. Step 6: Final answer
    x = 818,149.43

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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.