Home / 851,037.70-1,276,556.55-762,391.30

Finding the Fourth Proportional to 851,037.70, 1,276,556.55 and 762,391.30

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Solution

The fourth proportional to 851,037.70, 1,276,556.55 and 762,391.30 is: 1,143,586.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,037.70 : 1,276,556.55 = 762,391.30 : x
  2. Step 2: Convert to fraction form
    851,037.70/1,276,556.55 = 762,391.30/x
  3. Step 3: Cross multiply
    851,037.70x = 1,276,556.55 × 762,391.30
  4. Step 4: Simplify right side
    851,037.70x = 973,235,607,678.02
  5. Step 5: Solve for x
    x = 973,235,607,678.02/851,037.70
  6. Step 6: Final answer
    x = 1,143,586.95

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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.