Home / 1,282,247.80-1,769,072.22-738,371.88

Finding the Fourth Proportional to 1,282,247.80, 1,769,072.22 and 738,371.88

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Solution

The fourth proportional to 1,282,247.80, 1,769,072.22 and 738,371.88 is: 1,018,705.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,247.80 : 1,769,072.22 = 738,371.88 : x
  2. Step 2: Convert to fraction form
    1,282,247.80/1,769,072.22 = 738,371.88/x
  3. Step 3: Cross multiply
    1,282,247.80x = 1,769,072.22 × 738,371.88
  4. Step 4: Simplify right side
    1,282,247.80x = 1,306,233,180,937.17
  5. Step 5: Solve for x
    x = 1,306,233,180,937.17/1,282,247.80
  6. Step 6: Final answer
    x = 1,018,705.73

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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.