Home / 1,478,879.88-2,040,855.60-799,816.40

Finding the Fourth Proportional to 1,478,879.88, 2,040,855.60 and 799,816.40

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Solution

The fourth proportional to 1,478,879.88, 2,040,855.60 and 799,816.40 is: 1,103,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,879.88 : 2,040,855.60 = 799,816.40 : x
  2. Step 2: Convert to fraction form
    1,478,879.88/2,040,855.60 = 799,816.40/x
  3. Step 3: Cross multiply
    1,478,879.88x = 2,040,855.60 × 799,816.40
  4. Step 4: Simplify right side
    1,478,879.88x = 1,632,309,778,911.84
  5. Step 5: Solve for x
    x = 1,632,309,778,911.84/1,478,879.88
  6. Step 6: Final answer
    x = 1,103,747.37

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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.