Home / 1,217,526.21-1,826,369.50-318,989.97

Finding the Fourth Proportional to 1,217,526.21, 1,826,369.50 and 318,989.97

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Solution

The fourth proportional to 1,217,526.21, 1,826,369.50 and 318,989.97 is: 478,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,526.21 : 1,826,369.50 = 318,989.97 : x
  2. Step 2: Convert to fraction form
    1,217,526.21/1,826,369.50 = 318,989.97/x
  3. Step 3: Cross multiply
    1,217,526.21x = 1,826,369.50 × 318,989.97
  4. Step 4: Simplify right side
    1,217,526.21x = 582,593,552,013.92
  5. Step 5: Solve for x
    x = 582,593,552,013.92/1,217,526.21
  6. Step 6: Final answer
    x = 478,505.96

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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.