Home / 1,149,258.06-1,585,976.05-666,103.46

Finding the Fourth Proportional to 1,149,258.06, 1,585,976.05 and 666,103.46

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Solution

The fourth proportional to 1,149,258.06, 1,585,976.05 and 666,103.46 is: 919,222.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,258.06 : 1,585,976.05 = 666,103.46 : x
  2. Step 2: Convert to fraction form
    1,149,258.06/1,585,976.05 = 666,103.46/x
  3. Step 3: Cross multiply
    1,149,258.06x = 1,585,976.05 × 666,103.46
  4. Step 4: Simplify right side
    1,149,258.06x = 1,056,424,134,382.13
  5. Step 5: Solve for x
    x = 1,056,424,134,382.13/1,149,258.06
  6. Step 6: Final answer
    x = 919,222.73

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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.