Home / 1,635,165.36-2,452,851.72-513,278.64

Finding the Fourth Proportional to 1,635,165.36, 2,452,851.72 and 513,278.64

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Solution

The fourth proportional to 1,635,165.36, 2,452,851.72 and 513,278.64 is: 769,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,165.36 : 2,452,851.72 = 513,278.64 : x
  2. Step 2: Convert to fraction form
    1,635,165.36/2,452,851.72 = 513,278.64/x
  3. Step 3: Cross multiply
    1,635,165.36x = 2,452,851.72 × 513,278.64
  4. Step 4: Simplify right side
    1,635,165.36x = 1,258,996,394,963.26
  5. Step 5: Solve for x
    x = 1,258,996,394,963.26/1,635,165.36
  6. Step 6: Final answer
    x = 769,950.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.