Home / 1,138,825.26-1,571,597.51-679,979.93

Finding the Fourth Proportional to 1,138,825.26, 1,571,597.51 and 679,979.93

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Solution

The fourth proportional to 1,138,825.26, 1,571,597.51 and 679,979.93 is: 938,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,825.26 : 1,571,597.51 = 679,979.93 : x
  2. Step 2: Convert to fraction form
    1,138,825.26/1,571,597.51 = 679,979.93/x
  3. Step 3: Cross multiply
    1,138,825.26x = 1,571,597.51 × 679,979.93
  4. Step 4: Simplify right side
    1,138,825.26x = 1,068,654,753,580.09
  5. Step 5: Solve for x
    x = 1,068,654,753,580.09/1,138,825.26
  6. Step 6: Final answer
    x = 938,383.43

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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.