Home / 1,273,977.33-1,758,161.45-730,203.69

Finding the Fourth Proportional to 1,273,977.33, 1,758,161.45 and 730,203.69

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Solution

The fourth proportional to 1,273,977.33, 1,758,161.45 and 730,203.69 is: 1,007,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,977.33 : 1,758,161.45 = 730,203.69 : x
  2. Step 2: Convert to fraction form
    1,273,977.33/1,758,161.45 = 730,203.69/x
  3. Step 3: Cross multiply
    1,273,977.33x = 1,758,161.45 × 730,203.69
  4. Step 4: Simplify right side
    1,273,977.33x = 1,283,815,986,824.37
  5. Step 5: Solve for x
    x = 1,283,815,986,824.37/1,273,977.33
  6. Step 6: Final answer
    x = 1,007,722.79

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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.