Home / 1,251,222.37-1,873,802.76-865,891.48

Finding the Fourth Proportional to 1,251,222.37, 1,873,802.76 and 865,891.48

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Solution

The fourth proportional to 1,251,222.37, 1,873,802.76 and 865,891.48 is: 1,296,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,222.37 : 1,873,802.76 = 865,891.48 : x
  2. Step 2: Convert to fraction form
    1,251,222.37/1,873,802.76 = 865,891.48/x
  3. Step 3: Cross multiply
    1,251,222.37x = 1,873,802.76 × 865,891.48
  4. Step 4: Simplify right side
    1,251,222.37x = 1,622,509,845,084.49
  5. Step 5: Solve for x
    x = 1,622,509,845,084.49/1,251,222.37
  6. Step 6: Final answer
    x = 1,296,739.80

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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.