Home / 1,271,668.50-1,754,123.72-755,071.56

Finding the Fourth Proportional to 1,271,668.50, 1,754,123.72 and 755,071.56

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Solution

The fourth proportional to 1,271,668.50, 1,754,123.72 and 755,071.56 is: 1,041,536.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,668.50 : 1,754,123.72 = 755,071.56 : x
  2. Step 2: Convert to fraction form
    1,271,668.50/1,754,123.72 = 755,071.56/x
  3. Step 3: Cross multiply
    1,271,668.50x = 1,754,123.72 × 755,071.56
  4. Step 4: Simplify right side
    1,271,668.50x = 1,324,488,929,918.05
  5. Step 5: Solve for x
    x = 1,324,488,929,918.05/1,271,668.50
  6. Step 6: Final answer
    x = 1,041,536.32

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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.