Home / 957,144.14-1,320,859.03-554,969.42

Finding the Fourth Proportional to 957,144.14, 1,320,859.03 and 554,969.42

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Solution

The fourth proportional to 957,144.14, 1,320,859.03 and 554,969.42 is: 765,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,144.14 : 1,320,859.03 = 554,969.42 : x
  2. Step 2: Convert to fraction form
    957,144.14/1,320,859.03 = 554,969.42/x
  3. Step 3: Cross multiply
    957,144.14x = 1,320,859.03 × 554,969.42
  4. Step 4: Simplify right side
    957,144.14x = 733,036,369,780.86
  5. Step 5: Solve for x
    x = 733,036,369,780.86/957,144.14
  6. Step 6: Final answer
    x = 765,857.87

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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.