Home / 1,379,198.45-2,068,776.87-620,504.16

Finding the Fourth Proportional to 1,379,198.45, 2,068,776.87 and 620,504.16

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Solution

The fourth proportional to 1,379,198.45, 2,068,776.87 and 620,504.16 is: 930,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,198.45 : 2,068,776.87 = 620,504.16 : x
  2. Step 2: Convert to fraction form
    1,379,198.45/2,068,776.87 = 620,504.16/x
  3. Step 3: Cross multiply
    1,379,198.45x = 2,068,776.87 × 620,504.16
  4. Step 4: Simplify right side
    1,379,198.45x = 1,283,684,643,861.98
  5. Step 5: Solve for x
    x = 1,283,684,643,861.98/1,379,198.45
  6. Step 6: Final answer
    x = 930,746.87

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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.