Home / 1,372,310.93-1,892,670.54-965,759.78

Finding the Fourth Proportional to 1,372,310.93, 1,892,670.54 and 965,759.78

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Solution

The fourth proportional to 1,372,310.93, 1,892,670.54 and 965,759.78 is: 1,331,961.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,310.93 : 1,892,670.54 = 965,759.78 : x
  2. Step 2: Convert to fraction form
    1,372,310.93/1,892,670.54 = 965,759.78/x
  3. Step 3: Cross multiply
    1,372,310.93x = 1,892,670.54 × 965,759.78
  4. Step 4: Simplify right side
    1,372,310.93x = 1,827,865,074,859.53
  5. Step 5: Solve for x
    x = 1,827,865,074,859.53/1,372,310.93
  6. Step 6: Final answer
    x = 1,331,961.32

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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.