Finding the Fourth Proportional to 1,379,185.98, 2,068,758.21 and 620,491.68
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Solution
The fourth proportional to 1,379,185.98, 2,068,758.21 and 620,491.68 is: 930,728.17
Step by Step Solution
- Step 1: Write the proportion equation
1,379,185.98 : 2,068,758.21 = 620,491.68 : x - Step 2: Convert to fraction form
1,379,185.98/2,068,758.21 = 620,491.68/x - Step 3: Cross multiply
1,379,185.98x = 2,068,758.21 × 620,491.68 - Step 4: Simplify right side
1,379,185.98x = 1,283,647,243,790.44 - Step 5: Solve for x
x = 1,283,647,243,790.44/1,379,185.98 - Step 6: Final answer
x = 930,728.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.