Home / 1,478,871.28-2,040,843.73-799,807.78

Finding the Fourth Proportional to 1,478,871.28, 2,040,843.73 and 799,807.78

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Solution

The fourth proportional to 1,478,871.28, 2,040,843.73 and 799,807.78 is: 1,103,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,871.28 : 2,040,843.73 = 799,807.78 : x
  2. Step 2: Convert to fraction form
    1,478,871.28/2,040,843.73 = 799,807.78/x
  3. Step 3: Cross multiply
    1,478,871.28x = 2,040,843.73 × 799,807.78
  4. Step 4: Simplify right side
    1,478,871.28x = 1,632,282,685,916.59
  5. Step 5: Solve for x
    x = 1,632,282,685,916.59/1,478,871.28
  6. Step 6: Final answer
    x = 1,103,735.47

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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.