Home / 1,243,391.32-1,715,877.36-699,527.48

Finding the Fourth Proportional to 1,243,391.32, 1,715,877.36 and 699,527.48

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Solution

The fourth proportional to 1,243,391.32, 1,715,877.36 and 699,527.48 is: 965,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,391.32 : 1,715,877.36 = 699,527.48 : x
  2. Step 2: Convert to fraction form
    1,243,391.32/1,715,877.36 = 699,527.48/x
  3. Step 3: Cross multiply
    1,243,391.32x = 1,715,877.36 × 699,527.48
  4. Step 4: Simplify right side
    1,243,391.32x = 1,200,303,365,629.85
  5. Step 5: Solve for x
    x = 1,200,303,365,629.85/1,243,391.32
  6. Step 6: Final answer
    x = 965,346.42

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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.