Home / 1,272,270.85-1,755,687.15-699,306.01

Finding the Fourth Proportional to 1,272,270.85, 1,755,687.15 and 699,306.01

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Solution

The fourth proportional to 1,272,270.85, 1,755,687.15 and 699,306.01 is: 965,016.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,270.85 : 1,755,687.15 = 699,306.01 : x
  2. Step 2: Convert to fraction form
    1,272,270.85/1,755,687.15 = 699,306.01/x
  3. Step 3: Cross multiply
    1,272,270.85x = 1,755,687.15 × 699,306.01
  4. Step 4: Simplify right side
    1,272,270.85x = 1,227,762,571,285.55
  5. Step 5: Solve for x
    x = 1,227,762,571,285.55/1,272,270.85
  6. Step 6: Final answer
    x = 965,016.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.