Home / 1,426,229.91-1,967,063.54-1,212,078.87

Finding the Fourth Proportional to 1,426,229.91, 1,967,063.54 and 1,212,078.87

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Solution

The fourth proportional to 1,426,229.91, 1,967,063.54 and 1,212,078.87 is: 1,671,705.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,229.91 : 1,967,063.54 = 1,212,078.87 : x
  2. Step 2: Convert to fraction form
    1,426,229.91/1,967,063.54 = 1,212,078.87/x
  3. Step 3: Cross multiply
    1,426,229.91x = 1,967,063.54 × 1,212,078.87
  4. Step 4: Simplify right side
    1,426,229.91x = 2,384,236,146,721.01
  5. Step 5: Solve for x
    x = 2,384,236,146,721.01/1,426,229.91
  6. Step 6: Final answer
    x = 1,671,705.33

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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.