Home / 1,635,286.58-2,452,913.13-420,858.45

Finding the Fourth Proportional to 1,635,286.58, 2,452,913.13 and 420,858.45

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Solution

The fourth proportional to 1,635,286.58, 2,452,913.13 and 420,858.45 is: 631,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,286.58 : 2,452,913.13 = 420,858.45 : x
  2. Step 2: Convert to fraction form
    1,635,286.58/2,452,913.13 = 420,858.45/x
  3. Step 3: Cross multiply
    1,635,286.58x = 2,452,913.13 × 420,858.45
  4. Step 4: Simplify right side
    1,635,286.58x = 1,032,329,217,876.45
  5. Step 5: Solve for x
    x = 1,032,329,217,876.45/1,635,286.58
  6. Step 6: Final answer
    x = 631,283.37

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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.