Home / 1,100,663.27-1,650,978.45-381,528.46

Finding the Fourth Proportional to 1,100,663.27, 1,650,978.45 and 381,528.46

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Solution

The fourth proportional to 1,100,663.27, 1,650,978.45 and 381,528.46 is: 572,286.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,663.27 : 1,650,978.45 = 381,528.46 : x
  2. Step 2: Convert to fraction form
    1,100,663.27/1,650,978.45 = 381,528.46/x
  3. Step 3: Cross multiply
    1,100,663.27x = 1,650,978.45 × 381,528.46
  4. Step 4: Simplify right side
    1,100,663.27x = 629,895,267,585.41
  5. Step 5: Solve for x
    x = 629,895,267,585.41/1,100,663.27
  6. Step 6: Final answer
    x = 572,286.99

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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.