Home / 1,775,642.28-2,665,358.82-765,262.86

Finding the Fourth Proportional to 1,775,642.28, 2,665,358.82 and 765,262.86

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Solution

The fourth proportional to 1,775,642.28, 2,665,358.82 and 765,262.86 is: 1,148,711.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,642.28 : 2,665,358.82 = 765,262.86 : x
  2. Step 2: Convert to fraction form
    1,775,642.28/2,665,358.82 = 765,262.86/x
  3. Step 3: Cross multiply
    1,775,642.28x = 2,665,358.82 × 765,262.86
  4. Step 4: Simplify right side
    1,775,642.28x = 2,039,700,113,519.43
  5. Step 5: Solve for x
    x = 2,039,700,113,519.43/1,775,642.28
  6. Step 6: Final answer
    x = 1,148,711.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.