Home / 1,272,200.94-1,755,614.73-699,240.96

Finding the Fourth Proportional to 1,272,200.94, 1,755,614.73 and 699,240.96

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Solution

The fourth proportional to 1,272,200.94, 1,755,614.73 and 699,240.96 is: 964,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,200.94 : 1,755,614.73 = 699,240.96 : x
  2. Step 2: Convert to fraction form
    1,272,200.94/1,755,614.73 = 699,240.96/x
  3. Step 3: Cross multiply
    1,272,200.94x = 1,755,614.73 × 699,240.96
  4. Step 4: Simplify right side
    1,272,200.94x = 1,227,597,729,195.34
  5. Step 5: Solve for x
    x = 1,227,597,729,195.34/1,272,200.94
  6. Step 6: Final answer
    x = 964,940.12

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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.