Home / 1,401,688.20-2,103,516.45-603,542.55

Finding the Fourth Proportional to 1,401,688.20, 2,103,516.45 and 603,542.55

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Solution

The fourth proportional to 1,401,688.20, 2,103,516.45 and 603,542.55 is: 905,737.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,688.20 : 2,103,516.45 = 603,542.55 : x
  2. Step 2: Convert to fraction form
    1,401,688.20/2,103,516.45 = 603,542.55/x
  3. Step 3: Cross multiply
    1,401,688.20x = 2,103,516.45 × 603,542.55
  4. Step 4: Simplify right side
    1,401,688.20x = 1,269,561,682,199.95
  5. Step 5: Solve for x
    x = 1,269,561,682,199.95/1,401,688.20
  6. Step 6: Final answer
    x = 905,737.58

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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.