Home / 1,149,803.20-1,724,704.80-1,131,140.80

Finding the Fourth Proportional to 1,149,803.20, 1,724,704.80 and 1,131,140.80

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Solution

The fourth proportional to 1,149,803.20, 1,724,704.80 and 1,131,140.80 is: 1,696,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,803.20 : 1,724,704.80 = 1,131,140.80 : x
  2. Step 2: Convert to fraction form
    1,149,803.20/1,724,704.80 = 1,131,140.80/x
  3. Step 3: Cross multiply
    1,149,803.20x = 1,724,704.80 × 1,131,140.80
  4. Step 4: Simplify right side
    1,149,803.20x = 1,950,883,967,235.84
  5. Step 5: Solve for x
    x = 1,950,883,967,235.84/1,149,803.20
  6. Step 6: Final answer
    x = 1,696,711.20

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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.