Home / 1,108,690.40-1,664,007.60-658,848.80

Finding the Fourth Proportional to 1,108,690.40, 1,664,007.60 and 658,848.80

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Solution

The fourth proportional to 1,108,690.40, 1,664,007.60 and 658,848.80 is: 988,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,690.40 : 1,664,007.60 = 658,848.80 : x
  2. Step 2: Convert to fraction form
    1,108,690.40/1,664,007.60 = 658,848.80/x
  3. Step 3: Cross multiply
    1,108,690.40x = 1,664,007.60 × 658,848.80
  4. Step 4: Simplify right side
    1,108,690.40x = 1,096,329,410,450.88
  5. Step 5: Solve for x
    x = 1,096,329,410,450.88/1,108,690.40
  6. Step 6: Final answer
    x = 988,850.82

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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.