Home / 1,620,642.72-2,236,478.40-895,540.44

Finding the Fourth Proportional to 1,620,642.72, 2,236,478.40 and 895,540.44

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Solution

The fourth proportional to 1,620,642.72, 2,236,478.40 and 895,540.44 is: 1,235,841.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,642.72 : 2,236,478.40 = 895,540.44 : x
  2. Step 2: Convert to fraction form
    1,620,642.72/2,236,478.40 = 895,540.44/x
  3. Step 3: Cross multiply
    1,620,642.72x = 2,236,478.40 × 895,540.44
  4. Step 4: Simplify right side
    1,620,642.72x = 2,002,856,850,386.50
  5. Step 5: Solve for x
    x = 2,002,856,850,386.50/1,620,642.72
  6. Step 6: Final answer
    x = 1,235,841.08

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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.