Home / 1,272,502.20-1,756,086.56-699,556.80

Finding the Fourth Proportional to 1,272,502.20, 1,756,086.56 and 699,556.80

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Solution

The fourth proportional to 1,272,502.20, 1,756,086.56 and 699,556.80 is: 965,406.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,502.20 : 1,756,086.56 = 699,556.80 : x
  2. Step 2: Convert to fraction form
    1,272,502.20/1,756,086.56 = 699,556.80/x
  3. Step 3: Cross multiply
    1,272,502.20x = 1,756,086.56 × 699,556.80
  4. Step 4: Simplify right side
    1,272,502.20x = 1,228,482,304,082.49
  5. Step 5: Solve for x
    x = 1,228,482,304,082.49/1,272,502.20
  6. Step 6: Final answer
    x = 965,406.82

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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.