Finding the Fourth Proportional to 1,297,595.42, 1,790,736.09 and 746,311.28
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Solution
The fourth proportional to 1,297,595.42, 1,790,736.09 and 746,311.28 is: 1,029,940.86
Step by Step Solution
- Step 1: Write the proportion equation
1,297,595.42 : 1,790,736.09 = 746,311.28 : x - Step 2: Convert to fraction form
1,297,595.42/1,790,736.09 = 746,311.28/x - Step 3: Cross multiply
1,297,595.42x = 1,790,736.09 × 746,311.28 - Step 4: Simplify right side
1,297,595.42x = 1,336,446,544,589.31 - Step 5: Solve for x
x = 1,336,446,544,589.31/1,297,595.42 - Step 6: Final answer
x = 1,029,940.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.