Home / 1,349,249.94-1,861,961.78-768,472.95

Finding the Fourth Proportional to 1,349,249.94, 1,861,961.78 and 768,472.95

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Solution

The fourth proportional to 1,349,249.94, 1,861,961.78 and 768,472.95 is: 1,060,490.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,249.94 : 1,861,961.78 = 768,472.95 : x
  2. Step 2: Convert to fraction form
    1,349,249.94/1,861,961.78 = 768,472.95/x
  3. Step 3: Cross multiply
    1,349,249.94x = 1,861,961.78 × 768,472.95
  4. Step 4: Simplify right side
    1,349,249.94x = 1,430,867,270,767.39
  5. Step 5: Solve for x
    x = 1,430,867,270,767.39/1,349,249.94
  6. Step 6: Final answer
    x = 1,060,490.89

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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.