Home / 1,273,668.64-1,911,388.73-823,272.39

Finding the Fourth Proportional to 1,273,668.64, 1,911,388.73 and 823,272.39

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Solution

The fourth proportional to 1,273,668.64, 1,911,388.73 and 823,272.39 is: 1,235,481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,668.64 : 1,911,388.73 = 823,272.39 : x
  2. Step 2: Convert to fraction form
    1,273,668.64/1,911,388.73 = 823,272.39/x
  3. Step 3: Cross multiply
    1,273,668.64x = 1,911,388.73 × 823,272.39
  4. Step 4: Simplify right side
    1,273,668.64x = 1,573,593,563,849.80
  5. Step 5: Solve for x
    x = 1,573,593,563,849.80/1,273,668.64
  6. Step 6: Final answer
    x = 1,235,481.13

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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.