Finding the Fourth Proportional to 1,328,269.75, 1,992,404.63 and 441,805.75
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Solution
The fourth proportional to 1,328,269.75, 1,992,404.63 and 441,805.75 is: 662,708.63
Step by Step Solution
- Step 1: Write the proportion equation
1,328,269.75 : 1,992,404.63 = 441,805.75 : x - Step 2: Convert to fraction form
1,328,269.75/1,992,404.63 = 441,805.75/x - Step 3: Cross multiply
1,328,269.75x = 1,992,404.63 × 441,805.75 - Step 4: Simplify right side
1,328,269.75x = 880,255,821,860.62 - Step 5: Solve for x
x = 880,255,821,860.62/1,328,269.75 - Step 6: Final answer
x = 662,708.63
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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.