Home / 1,079,197.72-1,489,472.94-1,031,366.68

Finding the Fourth Proportional to 1,079,197.72, 1,489,472.94 and 1,031,366.68

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Solution

The fourth proportional to 1,079,197.72, 1,489,472.94 and 1,031,366.68 is: 1,423,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,197.72 : 1,489,472.94 = 1,031,366.68 : x
  2. Step 2: Convert to fraction form
    1,079,197.72/1,489,472.94 = 1,031,366.68/x
  3. Step 3: Cross multiply
    1,079,197.72x = 1,489,472.94 × 1,031,366.68
  4. Step 4: Simplify right side
    1,079,197.72x = 1,536,192,761,077.64
  5. Step 5: Solve for x
    x = 1,536,192,761,077.64/1,079,197.72
  6. Step 6: Final answer
    x = 1,423,458.12

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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.