Home / 1,329,618.76-1,834,660.20-756,668.50

Finding the Fourth Proportional to 1,329,618.76, 1,834,660.20 and 756,668.50

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Solution

The fourth proportional to 1,329,618.76, 1,834,660.20 and 756,668.50 is: 1,044,080.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,618.76 : 1,834,660.20 = 756,668.50 : x
  2. Step 2: Convert to fraction form
    1,329,618.76/1,834,660.20 = 756,668.50/x
  3. Step 3: Cross multiply
    1,329,618.76x = 1,834,660.20 × 756,668.50
  4. Step 4: Simplify right side
    1,329,618.76x = 1,388,229,581,543.70
  5. Step 5: Solve for x
    x = 1,388,229,581,543.70/1,329,618.76
  6. Step 6: Final answer
    x = 1,044,080.92

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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.