Home / 946,648.17-1,418,920.44-721,265.54

Finding the Fourth Proportional to 946,648.17, 1,418,920.44 and 721,265.54

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Solution

The fourth proportional to 946,648.17, 1,418,920.44 and 721,265.54 is: 1,081,096.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,648.17 : 1,418,920.44 = 721,265.54 : x
  2. Step 2: Convert to fraction form
    946,648.17/1,418,920.44 = 721,265.54/x
  3. Step 3: Cross multiply
    946,648.17x = 1,418,920.44 × 721,265.54
  4. Step 4: Simplify right side
    946,648.17x = 1,023,418,413,826.34
  5. Step 5: Solve for x
    x = 1,023,418,413,826.34/946,648.17
  6. Step 6: Final answer
    x = 1,081,096.91

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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.