Home / 1,630,491.11-2,250,951.29-1,257,138.60

Finding the Fourth Proportional to 1,630,491.11, 2,250,951.29 and 1,257,138.60

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Solution

The fourth proportional to 1,630,491.11, 2,250,951.29 and 1,257,138.60 is: 1,735,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,491.11 : 2,250,951.29 = 1,257,138.60 : x
  2. Step 2: Convert to fraction form
    1,630,491.11/2,250,951.29 = 1,257,138.60/x
  3. Step 3: Cross multiply
    1,630,491.11x = 2,250,951.29 × 1,257,138.60
  4. Step 4: Simplify right side
    1,630,491.11x = 2,829,757,747,093.10
  5. Step 5: Solve for x
    x = 2,829,757,747,093.10/1,630,491.11
  6. Step 6: Final answer
    x = 1,735,524.80

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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.