Home / 1,150,527.72-1,587,729.84-691,647.36

Finding the Fourth Proportional to 1,150,527.72, 1,587,729.84 and 691,647.36

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Solution

The fourth proportional to 1,150,527.72, 1,587,729.84 and 691,647.36 is: 954,474.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,527.72 : 1,587,729.84 = 691,647.36 : x
  2. Step 2: Convert to fraction form
    1,150,527.72/1,587,729.84 = 691,647.36/x
  3. Step 3: Cross multiply
    1,150,527.72x = 1,587,729.84 × 691,647.36
  4. Step 4: Simplify right side
    1,150,527.72x = 1,098,149,152,229.22
  5. Step 5: Solve for x
    x = 1,098,149,152,229.22/1,150,527.72
  6. Step 6: Final answer
    x = 954,474.31

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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.