Home / 1,508,221.68-2,081,359.44-819,894.86

Finding the Fourth Proportional to 1,508,221.68, 2,081,359.44 and 819,894.86

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Solution

The fourth proportional to 1,508,221.68, 2,081,359.44 and 819,894.86 is: 1,131,462.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,221.68 : 2,081,359.44 = 819,894.86 : x
  2. Step 2: Convert to fraction form
    1,508,221.68/2,081,359.44 = 819,894.86/x
  3. Step 3: Cross multiply
    1,508,221.68x = 2,081,359.44 × 819,894.86
  4. Step 4: Simplify right side
    1,508,221.68x = 1,706,495,906,668.48
  5. Step 5: Solve for x
    x = 1,706,495,906,668.48/1,508,221.68
  6. Step 6: Final answer
    x = 1,131,462.26

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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.