Home / 1,097,575.05-1,514,888.87-667,993.53

Finding the Fourth Proportional to 1,097,575.05, 1,514,888.87 and 667,993.53

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Solution

The fourth proportional to 1,097,575.05, 1,514,888.87 and 667,993.53 is: 921,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,575.05 : 1,514,888.87 = 667,993.53 : x
  2. Step 2: Convert to fraction form
    1,097,575.05/1,514,888.87 = 667,993.53/x
  3. Step 3: Cross multiply
    1,097,575.05x = 1,514,888.87 × 667,993.53
  4. Step 4: Simplify right side
    1,097,575.05x = 1,011,935,963,829.01
  5. Step 5: Solve for x
    x = 1,011,935,963,829.01/1,097,575.05
  6. Step 6: Final answer
    x = 921,974.28

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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.