Home / 1,209,722.67-1,814,846.43-368,252.55

Finding the Fourth Proportional to 1,209,722.67, 1,814,846.43 and 368,252.55

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Solution

The fourth proportional to 1,209,722.67, 1,814,846.43 and 368,252.55 is: 552,458.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,722.67 : 1,814,846.43 = 368,252.55 : x
  2. Step 2: Convert to fraction form
    1,209,722.67/1,814,846.43 = 368,252.55/x
  3. Step 3: Cross multiply
    1,209,722.67x = 1,814,846.43 × 368,252.55
  4. Step 4: Simplify right side
    1,209,722.67x = 668,321,825,705.90
  5. Step 5: Solve for x
    x = 668,321,825,705.90/1,209,722.67
  6. Step 6: Final answer
    x = 552,458.71

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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.