Home / 749,289.20-1,123,933.80-699,522.80

Finding the Fourth Proportional to 749,289.20, 1,123,933.80 and 699,522.80

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Solution

The fourth proportional to 749,289.20, 1,123,933.80 and 699,522.80 is: 1,049,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,289.20 : 1,123,933.80 = 699,522.80 : x
  2. Step 2: Convert to fraction form
    749,289.20/1,123,933.80 = 699,522.80/x
  3. Step 3: Cross multiply
    749,289.20x = 1,123,933.80 × 699,522.80
  4. Step 4: Simplify right side
    749,289.20x = 786,217,318,790.64
  5. Step 5: Solve for x
    x = 786,217,318,790.64/749,289.20
  6. Step 6: Final answer
    x = 1,049,284.20

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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.