Home / 1,009,131.26-1,392,629.18-616,727.79

Finding the Fourth Proportional to 1,009,131.26, 1,392,629.18 and 616,727.79

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Solution

The fourth proportional to 1,009,131.26, 1,392,629.18 and 616,727.79 is: 851,101.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,131.26 : 1,392,629.18 = 616,727.79 : x
  2. Step 2: Convert to fraction form
    1,009,131.26/1,392,629.18 = 616,727.79/x
  3. Step 3: Cross multiply
    1,009,131.26x = 1,392,629.18 × 616,727.79
  4. Step 4: Simplify right side
    1,009,131.26x = 858,873,113,387.27
  5. Step 5: Solve for x
    x = 858,873,113,387.27/1,009,131.26
  6. Step 6: Final answer
    x = 851,101.49

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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.