Home / 1,187,634-1,782,406.80-675,613.56

Finding the Fourth Proportional to 1,187,634, 1,782,406.80 and 675,613.56

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Solution

The fourth proportional to 1,187,634, 1,782,406.80 and 675,613.56 is: 1,013,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,634 : 1,782,406.80 = 675,613.56 : x
  2. Step 2: Convert to fraction form
    1,187,634/1,782,406.80 = 675,613.56/x
  3. Step 3: Cross multiply
    1,187,634x = 1,782,406.80 × 675,613.56
  4. Step 4: Simplify right side
    1,187,634x = 1,204,218,203,516.21
  5. Step 5: Solve for x
    x = 1,204,218,203,516.21/1,187,634
  6. Step 6: Final answer
    x = 1,013,964.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.