Home / 1,243,800-1,865,625.84-731,752.80

Finding the Fourth Proportional to 1,243,800, 1,865,625.84 and 731,752.80

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Solution

The fourth proportional to 1,243,800, 1,865,625.84 and 731,752.80 is: 1,097,585.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,800 : 1,865,625.84 = 731,752.80 : x
  2. Step 2: Convert to fraction form
    1,243,800/1,865,625.84 = 731,752.80/x
  3. Step 3: Cross multiply
    1,243,800x = 1,865,625.84 × 731,752.80
  4. Step 4: Simplify right side
    1,243,800x = 1,365,176,932,172.35
  5. Step 5: Solve for x
    x = 1,365,176,932,172.35/1,243,800
  6. Step 6: Final answer
    x = 1,097,585.57

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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.