Home / 1,272,591.72-1,756,160.82-699,626.88

Finding the Fourth Proportional to 1,272,591.72, 1,756,160.82 and 699,626.88

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Solution

The fourth proportional to 1,272,591.72, 1,756,160.82 and 699,626.88 is: 965,476.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,591.72 : 1,756,160.82 = 699,626.88 : x
  2. Step 2: Convert to fraction form
    1,272,591.72/1,756,160.82 = 699,626.88/x
  3. Step 3: Cross multiply
    1,272,591.72x = 1,756,160.82 × 699,626.88
  4. Step 4: Simplify right side
    1,272,591.72x = 1,228,657,315,274.84
  5. Step 5: Solve for x
    x = 1,228,657,315,274.84/1,272,591.72
  6. Step 6: Final answer
    x = 965,476.43

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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.