Home / 1,324,981.94-1,987,473.58-426,423.56

Finding the Fourth Proportional to 1,324,981.94, 1,987,473.58 and 426,423.56

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Solution

The fourth proportional to 1,324,981.94, 1,987,473.58 and 426,423.56 is: 639,635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,981.94 : 1,987,473.58 = 426,423.56 : x
  2. Step 2: Convert to fraction form
    1,324,981.94/1,987,473.58 = 426,423.56/x
  3. Step 3: Cross multiply
    1,324,981.94x = 1,987,473.58 × 426,423.56
  4. Step 4: Simplify right side
    1,324,981.94x = 847,505,559,389.55
  5. Step 5: Solve for x
    x = 847,505,559,389.55/1,324,981.94
  6. Step 6: Final answer
    x = 639,635.56

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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.