Home / 1,210,062.97-1,669,823.45-666,092.51

Finding the Fourth Proportional to 1,210,062.97, 1,669,823.45 and 666,092.51

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Solution

The fourth proportional to 1,210,062.97, 1,669,823.45 and 666,092.51 is: 919,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,062.97 : 1,669,823.45 = 666,092.51 : x
  2. Step 2: Convert to fraction form
    1,210,062.97/1,669,823.45 = 666,092.51/x
  3. Step 3: Cross multiply
    1,210,062.97x = 1,669,823.45 × 666,092.51
  4. Step 4: Simplify right side
    1,210,062.97x = 1,112,256,889,736.90
  5. Step 5: Solve for x
    x = 1,112,256,889,736.90/1,210,062.97
  6. Step 6: Final answer
    x = 919,172.74

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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.