Home / 1,109,174.46-1,663,633.17-310,519.86

Finding the Fourth Proportional to 1,109,174.46, 1,663,633.17 and 310,519.86

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Solution

The fourth proportional to 1,109,174.46, 1,663,633.17 and 310,519.86 is: 465,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,174.46 : 1,663,633.17 = 310,519.86 : x
  2. Step 2: Convert to fraction form
    1,109,174.46/1,663,633.17 = 310,519.86/x
  3. Step 3: Cross multiply
    1,109,174.46x = 1,663,633.17 × 310,519.86
  4. Step 4: Simplify right side
    1,109,174.46x = 516,591,139,039.76
  5. Step 5: Solve for x
    x = 516,591,139,039.76/1,109,174.46
  6. Step 6: Final answer
    x = 465,743.81

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1.5x scale

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.