Home / 1,123,857.90-1,685,786.85-365,770.80

Finding the Fourth Proportional to 1,123,857.90, 1,685,786.85 and 365,770.80

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Solution

The fourth proportional to 1,123,857.90, 1,685,786.85 and 365,770.80 is: 548,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,857.90 : 1,685,786.85 = 365,770.80 : x
  2. Step 2: Convert to fraction form
    1,123,857.90/1,685,786.85 = 365,770.80/x
  3. Step 3: Cross multiply
    1,123,857.90x = 1,685,786.85 × 365,770.80
  4. Step 4: Simplify right side
    1,123,857.90x = 616,611,604,753.98
  5. Step 5: Solve for x
    x = 616,611,604,753.98/1,123,857.90
  6. Step 6: Final answer
    x = 548,656.20

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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.