Home / 1,277,427.80-1,762,791.08-733,180.55

Finding the Fourth Proportional to 1,277,427.80, 1,762,791.08 and 733,180.55

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Solution

The fourth proportional to 1,277,427.80, 1,762,791.08 and 733,180.55 is: 1,011,755.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,427.80 : 1,762,791.08 = 733,180.55 : x
  2. Step 2: Convert to fraction form
    1,277,427.80/1,762,791.08 = 733,180.55/x
  3. Step 3: Cross multiply
    1,277,427.80x = 1,762,791.08 × 733,180.55
  4. Step 4: Simplify right side
    1,277,427.80x = 1,292,444,134,310.57
  5. Step 5: Solve for x
    x = 1,292,444,134,310.57/1,277,427.80
  6. Step 6: Final answer
    x = 1,011,755.13

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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.