Home / 1,055,620.70-1,456,721.03-625,645.56

Finding the Fourth Proportional to 1,055,620.70, 1,456,721.03 and 625,645.56

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Solution

The fourth proportional to 1,055,620.70, 1,456,721.03 and 625,645.56 is: 863,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,620.70 : 1,456,721.03 = 625,645.56 : x
  2. Step 2: Convert to fraction form
    1,055,620.70/1,456,721.03 = 625,645.56/x
  3. Step 3: Cross multiply
    1,055,620.70x = 1,456,721.03 × 625,645.56
  4. Step 4: Simplify right side
    1,055,620.70x = 911,391,046,142.24
  5. Step 5: Solve for x
    x = 911,391,046,142.24/1,055,620.70
  6. Step 6: Final answer
    x = 863,369.82

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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.