Home / 818,117.20-1,227,175.80-682,814.80

Finding the Fourth Proportional to 818,117.20, 1,227,175.80 and 682,814.80

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Solution

The fourth proportional to 818,117.20, 1,227,175.80 and 682,814.80 is: 1,024,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,117.20 : 1,227,175.80 = 682,814.80 : x
  2. Step 2: Convert to fraction form
    818,117.20/1,227,175.80 = 682,814.80/x
  3. Step 3: Cross multiply
    818,117.20x = 1,227,175.80 × 682,814.80
  4. Step 4: Simplify right side
    818,117.20x = 837,933,798,441.84
  5. Step 5: Solve for x
    x = 837,933,798,441.84/818,117.20
  6. Step 6: Final answer
    x = 1,024,222.20

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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.