Home / 940,865.54-1,298,391.04-511,141.90

Finding the Fourth Proportional to 940,865.54, 1,298,391.04 and 511,141.90

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Solution

The fourth proportional to 940,865.54, 1,298,391.04 and 511,141.90 is: 705,373.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,865.54 : 1,298,391.04 = 511,141.90 : x
  2. Step 2: Convert to fraction form
    940,865.54/1,298,391.04 = 511,141.90/x
  3. Step 3: Cross multiply
    940,865.54x = 1,298,391.04 × 511,141.90
  4. Step 4: Simplify right side
    940,865.54x = 663,662,063,128.58
  5. Step 5: Solve for x
    x = 663,662,063,128.58/940,865.54
  6. Step 6: Final answer
    x = 705,373.97

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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.