Finding the Fourth Proportional to 1,086,475.44, 1,629,166.41 and 376,312.80
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Solution
The fourth proportional to 1,086,475.44, 1,629,166.41 and 376,312.80 is: 564,279.83
Step by Step Solution
- Step 1: Write the proportion equation
1,086,475.44 : 1,629,166.41 = 376,312.80 : x - Step 2: Convert to fraction form
1,086,475.44/1,629,166.41 = 376,312.80/x - Step 3: Cross multiply
1,086,475.44x = 1,629,166.41 × 376,312.80 - Step 4: Simplify right side
1,086,475.44x = 613,076,173,413.05 - Step 5: Solve for x
x = 613,076,173,413.05/1,086,475.44 - Step 6: Final answer
x = 564,279.83
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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.