Home / 841,164.56-1,261,945.73-272,544.72

Finding the Fourth Proportional to 841,164.56, 1,261,945.73 and 272,544.72

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Solution

The fourth proportional to 841,164.56, 1,261,945.73 and 272,544.72 is: 408,881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,164.56 : 1,261,945.73 = 272,544.72 : x
  2. Step 2: Convert to fraction form
    841,164.56/1,261,945.73 = 272,544.72/x
  3. Step 3: Cross multiply
    841,164.56x = 1,261,945.73 × 272,544.72
  4. Step 4: Simplify right side
    841,164.56x = 343,936,640,054.05
  5. Step 5: Solve for x
    x = 343,936,640,054.05/841,164.56
  6. Step 6: Final answer
    x = 408,881.51

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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.