Home / 1,890,929.38-2,836,418.64-628,756.96

Finding the Fourth Proportional to 1,890,929.38, 2,836,418.64 and 628,756.96

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Solution

The fourth proportional to 1,890,929.38, 2,836,418.64 and 628,756.96 is: 943,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,929.38 : 2,836,418.64 = 628,756.96 : x
  2. Step 2: Convert to fraction form
    1,890,929.38/2,836,418.64 = 628,756.96/x
  3. Step 3: Cross multiply
    1,890,929.38x = 2,836,418.64 × 628,756.96
  4. Step 4: Simplify right side
    1,890,929.38x = 1,783,417,961,373.73
  5. Step 5: Solve for x
    x = 1,783,417,961,373.73/1,890,929.38
  6. Step 6: Final answer
    x = 943,143.61

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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.