Home / 1,645,940.70-2,464,974.45-1,331,012.70

Finding the Fourth Proportional to 1,645,940.70, 2,464,974.45 and 1,331,012.70

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Solution

The fourth proportional to 1,645,940.70, 2,464,974.45 and 1,331,012.70 is: 1,993,335.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,940.70 : 2,464,974.45 = 1,331,012.70 : x
  2. Step 2: Convert to fraction form
    1,645,940.70/2,464,974.45 = 1,331,012.70/x
  3. Step 3: Cross multiply
    1,645,940.70x = 2,464,974.45 × 1,331,012.70
  4. Step 4: Simplify right side
    1,645,940.70x = 3,280,912,298,125.52
  5. Step 5: Solve for x
    x = 3,280,912,298,125.52/1,645,940.70
  6. Step 6: Final answer
    x = 1,993,335.66

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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.