Home / 1,331,942.20-1,997,114.18-611,382.43

Finding the Fourth Proportional to 1,331,942.20, 1,997,114.18 and 611,382.43

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Solution

The fourth proportional to 1,331,942.20, 1,997,114.18 and 611,382.43 is: 916,706.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,942.20 : 1,997,114.18 = 611,382.43 : x
  2. Step 2: Convert to fraction form
    1,331,942.20/1,997,114.18 = 611,382.43/x
  3. Step 3: Cross multiply
    1,331,942.20x = 1,997,114.18 × 611,382.43
  4. Step 4: Simplify right side
    1,331,942.20x = 1,221,000,519,795.34
  5. Step 5: Solve for x
    x = 1,221,000,519,795.34/1,331,942.20
  6. Step 6: Final answer
    x = 916,706.84

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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.