Home / 1,379,484.35-2,069,313.99-432,892.43

Finding the Fourth Proportional to 1,379,484.35, 2,069,313.99 and 432,892.43

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Solution

The fourth proportional to 1,379,484.35, 2,069,313.99 and 432,892.43 is: 649,366.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,484.35 : 2,069,313.99 = 432,892.43 : x
  2. Step 2: Convert to fraction form
    1,379,484.35/2,069,313.99 = 432,892.43/x
  3. Step 3: Cross multiply
    1,379,484.35x = 2,069,313.99 × 432,892.43
  4. Step 4: Simplify right side
    1,379,484.35x = 895,790,361,564.10
  5. Step 5: Solve for x
    x = 895,790,361,564.10/1,379,484.35
  6. Step 6: Final answer
    x = 649,366.09

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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.