Home / 1,689,860.40-2,332,100.73-964,940.97

Finding the Fourth Proportional to 1,689,860.40, 2,332,100.73 and 964,940.97

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Solution

The fourth proportional to 1,689,860.40, 2,332,100.73 and 964,940.97 is: 1,331,671.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,860.40 : 2,332,100.73 = 964,940.97 : x
  2. Step 2: Convert to fraction form
    1,689,860.40/2,332,100.73 = 964,940.97/x
  3. Step 3: Cross multiply
    1,689,860.40x = 2,332,100.73 × 964,940.97
  4. Step 4: Simplify right side
    1,689,860.40x = 2,250,339,540,543.91
  5. Step 5: Solve for x
    x = 2,250,339,540,543.91/1,689,860.40
  6. Step 6: Final answer
    x = 1,331,671.86

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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.