Home / 1,478,378.52-2,040,163.20-799,314.48

Finding the Fourth Proportional to 1,478,378.52, 2,040,163.20 and 799,314.48

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Solution

The fourth proportional to 1,478,378.52, 2,040,163.20 and 799,314.48 is: 1,103,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,378.52 : 2,040,163.20 = 799,314.48 : x
  2. Step 2: Convert to fraction form
    1,478,378.52/2,040,163.20 = 799,314.48/x
  3. Step 3: Cross multiply
    1,478,378.52x = 2,040,163.20 × 799,314.48
  4. Step 4: Simplify right side
    1,478,378.52x = 1,630,731,987,323.14
  5. Step 5: Solve for x
    x = 1,630,731,987,323.14/1,478,378.52
  6. Step 6: Final answer
    x = 1,103,054.44

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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.