Home / 1,149,201.30-1,721,177.55-676,809.30

Finding the Fourth Proportional to 1,149,201.30, 1,721,177.55 and 676,809.30

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Solution

The fourth proportional to 1,149,201.30, 1,721,177.55 and 676,809.30 is: 1,013,668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,201.30 : 1,721,177.55 = 676,809.30 : x
  2. Step 2: Convert to fraction form
    1,149,201.30/1,721,177.55 = 676,809.30/x
  3. Step 3: Cross multiply
    1,149,201.30x = 1,721,177.55 × 676,809.30
  4. Step 4: Simplify right side
    1,149,201.30x = 1,164,908,972,791.22
  5. Step 5: Solve for x
    x = 1,164,908,972,791.22/1,149,201.30
  6. Step 6: Final answer
    x = 1,013,668.34

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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.