Home / 923,858.72-1,265,665.18-889,318.51

Finding the Fourth Proportional to 923,858.72, 1,265,665.18 and 889,318.51

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Solution

The fourth proportional to 923,858.72, 1,265,665.18 and 889,318.51 is: 1,218,345.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,858.72 : 1,265,665.18 = 889,318.51 : x
  2. Step 2: Convert to fraction form
    923,858.72/1,265,665.18 = 889,318.51/x
  3. Step 3: Cross multiply
    923,858.72x = 1,265,665.18 × 889,318.51
  4. Step 4: Simplify right side
    923,858.72x = 1,125,579,472,036.48
  5. Step 5: Solve for x
    x = 1,125,579,472,036.48/923,858.72
  6. Step 6: Final answer
    x = 1,218,345.89

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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.