Home / 1,273,001.31-1,757,571.09-790,275.72

Finding the Fourth Proportional to 1,273,001.31, 1,757,571.09 and 790,275.72

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Solution

The fourth proportional to 1,273,001.31, 1,757,571.09 and 790,275.72 is: 1,091,095.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,001.31 : 1,757,571.09 = 790,275.72 : x
  2. Step 2: Convert to fraction form
    1,273,001.31/1,757,571.09 = 790,275.72/x
  3. Step 3: Cross multiply
    1,273,001.31x = 1,757,571.09 × 790,275.72
  4. Step 4: Simplify right side
    1,273,001.31x = 1,388,965,758,600.93
  5. Step 5: Solve for x
    x = 1,388,965,758,600.93/1,273,001.31
  6. Step 6: Final answer
    x = 1,091,095.31

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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.