Home / 826,849.10-1,240,273.65-770,861.90

Finding the Fourth Proportional to 826,849.10, 1,240,273.65 and 770,861.90

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Solution

The fourth proportional to 826,849.10, 1,240,273.65 and 770,861.90 is: 1,156,292.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,849.10 : 1,240,273.65 = 770,861.90 : x
  2. Step 2: Convert to fraction form
    826,849.10/1,240,273.65 = 770,861.90/x
  3. Step 3: Cross multiply
    826,849.10x = 1,240,273.65 × 770,861.90
  4. Step 4: Simplify right side
    826,849.10x = 956,079,702,358.94
  5. Step 5: Solve for x
    x = 956,079,702,358.94/826,849.10
  6. Step 6: Final answer
    x = 1,156,292.85

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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.