Home / 1,231,653.99-1,699,584.55-687,757.32

Finding the Fourth Proportional to 1,231,653.99, 1,699,584.55 and 687,757.32

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Solution

The fourth proportional to 1,231,653.99, 1,699,584.55 and 687,757.32 is: 949,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,653.99 : 1,699,584.55 = 687,757.32 : x
  2. Step 2: Convert to fraction form
    1,231,653.99/1,699,584.55 = 687,757.32/x
  3. Step 3: Cross multiply
    1,231,653.99x = 1,699,584.55 × 687,757.32
  4. Step 4: Simplify right side
    1,231,653.99x = 1,168,901,715,221.41
  5. Step 5: Solve for x
    x = 1,168,901,715,221.41/1,231,653.99
  6. Step 6: Final answer
    x = 949,050.40

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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.