Home / 993,375.12-1,370,857.44-540,669.36

Finding the Fourth Proportional to 993,375.12, 1,370,857.44 and 540,669.36

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Solution

The fourth proportional to 993,375.12, 1,370,857.44 and 540,669.36 is: 746,123.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,375.12 : 1,370,857.44 = 540,669.36 : x
  2. Step 2: Convert to fraction form
    993,375.12/1,370,857.44 = 540,669.36/x
  3. Step 3: Cross multiply
    993,375.12x = 1,370,857.44 × 540,669.36
  4. Step 4: Simplify right side
    993,375.12x = 741,180,614,736.04
  5. Step 5: Solve for x
    x = 741,180,614,736.04/993,375.12
  6. Step 6: Final answer
    x = 746,123.59

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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.