Home / 1,079,274.66-1,618,630.11-320,911.92

Finding the Fourth Proportional to 1,079,274.66, 1,618,630.11 and 320,911.92

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Solution

The fourth proportional to 1,079,274.66, 1,618,630.11 and 320,911.92 is: 481,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,274.66 : 1,618,630.11 = 320,911.92 : x
  2. Step 2: Convert to fraction form
    1,079,274.66/1,618,630.11 = 320,911.92/x
  3. Step 3: Cross multiply
    1,079,274.66x = 1,618,630.11 × 320,911.92
  4. Step 4: Simplify right side
    1,079,274.66x = 519,437,696,369.91
  5. Step 5: Solve for x
    x = 519,437,696,369.91/1,079,274.66
  6. Step 6: Final answer
    x = 481,284.07

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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.