Home / 1,478,871.30-2,040,843.75-799,807.80

Finding the Fourth Proportional to 1,478,871.30, 2,040,843.75 and 799,807.80

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Solution

The fourth proportional to 1,478,871.30, 2,040,843.75 and 799,807.80 is: 1,103,735.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,871.30 : 2,040,843.75 = 799,807.80 : x
  2. Step 2: Convert to fraction form
    1,478,871.30/2,040,843.75 = 799,807.80/x
  3. Step 3: Cross multiply
    1,478,871.30x = 2,040,843.75 × 799,807.80
  4. Step 4: Simplify right side
    1,478,871.30x = 1,632,282,749,831.25
  5. Step 5: Solve for x
    x = 1,632,282,749,831.25/1,478,871.30
  6. Step 6: Final answer
    x = 1,103,735.50

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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.