Home / 1,097,390.44-1,514,635.64-667,808.97

Finding the Fourth Proportional to 1,097,390.44, 1,514,635.64 and 667,808.97

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Solution

The fourth proportional to 1,097,390.44, 1,514,635.64 and 667,808.97 is: 921,720.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,390.44 : 1,514,635.64 = 667,808.97 : x
  2. Step 2: Convert to fraction form
    1,097,390.44/1,514,635.64 = 667,808.97/x
  3. Step 3: Cross multiply
    1,097,390.44x = 1,514,635.64 × 667,808.97
  4. Step 4: Simplify right side
    1,097,390.44x = 1,011,487,266,673.69
  5. Step 5: Solve for x
    x = 1,011,487,266,673.69/1,097,390.44
  6. Step 6: Final answer
    x = 921,720.50

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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.