Home / 1,318,108-1,818,662.88-745,135.84

Finding the Fourth Proportional to 1,318,108, 1,818,662.88 and 745,135.84

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Solution

The fourth proportional to 1,318,108, 1,818,662.88 and 745,135.84 is: 1,028,103.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,108 : 1,818,662.88 = 745,135.84 : x
  2. Step 2: Convert to fraction form
    1,318,108/1,818,662.88 = 745,135.84/x
  3. Step 3: Cross multiply
    1,318,108x = 1,818,662.88 × 745,135.84
  4. Step 4: Simplify right side
    1,318,108x = 1,355,150,892,765.62
  5. Step 5: Solve for x
    x = 1,355,150,892,765.62/1,318,108
  6. Step 6: Final answer
    x = 1,028,103.08

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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.