Home / 1,426,229.66-1,967,063.18-1,212,078.62

Finding the Fourth Proportional to 1,426,229.66, 1,967,063.18 and 1,212,078.62

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Solution

The fourth proportional to 1,426,229.66, 1,967,063.18 and 1,212,078.62 is: 1,671,704.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,229.66 : 1,967,063.18 = 1,212,078.62 : x
  2. Step 2: Convert to fraction form
    1,426,229.66/1,967,063.18 = 1,212,078.62/x
  3. Step 3: Cross multiply
    1,426,229.66x = 1,967,063.18 × 1,212,078.62
  4. Step 4: Simplify right side
    1,426,229.66x = 2,384,235,224,667.21
  5. Step 5: Solve for x
    x = 2,384,235,224,667.21/1,426,229.66
  6. Step 6: Final answer
    x = 1,671,704.98

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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.