Home / 1,274,178.09-1,757,969.83-722,803.04

Finding the Fourth Proportional to 1,274,178.09, 1,757,969.83 and 722,803.04

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Solution

The fourth proportional to 1,274,178.09, 1,757,969.83 and 722,803.04 is: 997,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,178.09 : 1,757,969.83 = 722,803.04 : x
  2. Step 2: Convert to fraction form
    1,274,178.09/1,757,969.83 = 722,803.04/x
  3. Step 3: Cross multiply
    1,274,178.09x = 1,757,969.83 × 722,803.04
  4. Step 4: Simplify right side
    1,274,178.09x = 1,270,665,945,946.91
  5. Step 5: Solve for x
    x = 1,270,665,945,946.91/1,274,178.09
  6. Step 6: Final answer
    x = 997,243.60

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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.