Home / 1,276,021.80-1,760,930.82-703,053.72

Finding the Fourth Proportional to 1,276,021.80, 1,760,930.82 and 703,053.72

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Solution

The fourth proportional to 1,276,021.80, 1,760,930.82 and 703,053.72 is: 970,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,021.80 : 1,760,930.82 = 703,053.72 : x
  2. Step 2: Convert to fraction form
    1,276,021.80/1,760,930.82 = 703,053.72/x
  3. Step 3: Cross multiply
    1,276,021.80x = 1,760,930.82 × 703,053.72
  4. Step 4: Simplify right side
    1,276,021.80x = 1,238,028,963,663.65
  5. Step 5: Solve for x
    x = 1,238,028,963,663.65/1,276,021.80
  6. Step 6: Final answer
    x = 970,225.56

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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.