Home / 1,151,992.80-1,590,347.78-841,546.79

Finding the Fourth Proportional to 1,151,992.80, 1,590,347.78 and 841,546.79

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Solution

The fourth proportional to 1,151,992.80, 1,590,347.78 and 841,546.79 is: 1,161,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,992.80 : 1,590,347.78 = 841,546.79 : x
  2. Step 2: Convert to fraction form
    1,151,992.80/1,590,347.78 = 841,546.79/x
  3. Step 3: Cross multiply
    1,151,992.80x = 1,590,347.78 × 841,546.79
  4. Step 4: Simplify right side
    1,151,992.80x = 1,338,352,057,083.15
  5. Step 5: Solve for x
    x = 1,338,352,057,083.15/1,151,992.80
  6. Step 6: Final answer
    x = 1,161,771.20

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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.