Home / 1,318,523.50-1,977,861.79-508,912.42

Finding the Fourth Proportional to 1,318,523.50, 1,977,861.79 and 508,912.42

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Solution

The fourth proportional to 1,318,523.50, 1,977,861.79 and 508,912.42 is: 763,398.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,523.50 : 1,977,861.79 = 508,912.42 : x
  2. Step 2: Convert to fraction form
    1,318,523.50/1,977,861.79 = 508,912.42/x
  3. Step 3: Cross multiply
    1,318,523.50x = 1,977,861.79 × 508,912.42
  4. Step 4: Simplify right side
    1,318,523.50x = 1,006,558,429,974.43
  5. Step 5: Solve for x
    x = 1,006,558,429,974.43/1,318,523.50
  6. Step 6: Final answer
    x = 763,398.17

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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.