Home / 1,097,578.80-1,514,894.04-667,997.28

Finding the Fourth Proportional to 1,097,578.80, 1,514,894.04 and 667,997.28

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Solution

The fourth proportional to 1,097,578.80, 1,514,894.04 and 667,997.28 is: 921,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,578.80 : 1,514,894.04 = 667,997.28 : x
  2. Step 2: Convert to fraction form
    1,097,578.80/1,514,894.04 = 667,997.28/x
  3. Step 3: Cross multiply
    1,097,578.80x = 1,514,894.04 × 667,997.28
  4. Step 4: Simplify right side
    1,097,578.80x = 1,011,945,098,208.21
  5. Step 5: Solve for x
    x = 1,011,945,098,208.21/1,097,578.80
  6. Step 6: Final answer
    x = 921,979.45

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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.