Home / 1,217,625.44-1,826,419.01-418,913.91

Finding the Fourth Proportional to 1,217,625.44, 1,826,419.01 and 418,913.91

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Solution

The fourth proportional to 1,217,625.44, 1,826,419.01 and 418,913.91 is: 628,364.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,625.44 : 1,826,419.01 = 418,913.91 : x
  2. Step 2: Convert to fraction form
    1,217,625.44/1,826,419.01 = 418,913.91/x
  3. Step 3: Cross multiply
    1,217,625.44x = 1,826,419.01 × 418,913.91
  4. Step 4: Simplify right side
    1,217,625.44x = 765,112,326,682.86
  5. Step 5: Solve for x
    x = 765,112,326,682.86/1,217,625.44
  6. Step 6: Final answer
    x = 628,364.28

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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.