Home / 813,332.58-1,212,727.44-790,986.85

Finding the Fourth Proportional to 813,332.58, 1,212,727.44 and 790,986.85

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Solution

The fourth proportional to 813,332.58, 1,212,727.44 and 790,986.85 is: 1,179,408.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,332.58 : 1,212,727.44 = 790,986.85 : x
  2. Step 2: Convert to fraction form
    813,332.58/1,212,727.44 = 790,986.85/x
  3. Step 3: Cross multiply
    813,332.58x = 1,212,727.44 × 790,986.85
  4. Step 4: Simplify right side
    813,332.58x = 959,251,451,610.53
  5. Step 5: Solve for x
    x = 959,251,451,610.53/813,332.58
  6. Step 6: Final answer
    x = 1,179,408.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.