Home / 1,478,871.78-2,040,844.42-799,808.28

Finding the Fourth Proportional to 1,478,871.78, 2,040,844.42 and 799,808.28

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Solution

The fourth proportional to 1,478,871.78, 2,040,844.42 and 799,808.28 is: 1,103,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,871.78 : 2,040,844.42 = 799,808.28 : x
  2. Step 2: Convert to fraction form
    1,478,871.78/2,040,844.42 = 799,808.28/x
  3. Step 3: Cross multiply
    1,478,871.78x = 2,040,844.42 × 799,808.28
  4. Step 4: Simplify right side
    1,478,871.78x = 1,632,284,265,307.80
  5. Step 5: Solve for x
    x = 1,632,284,265,307.80/1,478,871.78
  6. Step 6: Final answer
    x = 1,103,736.16

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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.