Home / 923,857.72-1,265,663.81-889,317.51

Finding the Fourth Proportional to 923,857.72, 1,265,663.81 and 889,317.51

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Solution

The fourth proportional to 923,857.72, 1,265,663.81 and 889,317.51 is: 1,218,344.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,857.72 : 1,265,663.81 = 889,317.51 : x
  2. Step 2: Convert to fraction form
    923,857.72/1,265,663.81 = 889,317.51/x
  3. Step 3: Cross multiply
    923,857.72x = 1,265,663.81 × 889,317.51
  4. Step 4: Simplify right side
    923,857.72x = 1,125,576,992,602.73
  5. Step 5: Solve for x
    x = 1,125,576,992,602.73/923,857.72
  6. Step 6: Final answer
    x = 1,218,344.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.