Home / 1,097,579.80-1,514,895.42-667,998.28

Finding the Fourth Proportional to 1,097,579.80, 1,514,895.42 and 667,998.28

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Solution

The fourth proportional to 1,097,579.80, 1,514,895.42 and 667,998.28 is: 921,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,579.80 : 1,514,895.42 = 667,998.28 : x
  2. Step 2: Convert to fraction form
    1,097,579.80/1,514,895.42 = 667,998.28/x
  3. Step 3: Cross multiply
    1,097,579.80x = 1,514,895.42 × 667,998.28
  4. Step 4: Simplify right side
    1,097,579.80x = 1,011,947,534,939.88
  5. Step 5: Solve for x
    x = 1,011,947,534,939.88/1,097,579.80
  6. Step 6: Final answer
    x = 921,980.83

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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.