Finding the Fourth Proportional to 1,193,596.84, 1,790,413.62 and 664,480.90
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Solution
The fourth proportional to 1,193,596.84, 1,790,413.62 and 664,480.90 is: 996,731.57
Step by Step Solution
- Step 1: Write the proportion equation
1,193,596.84 : 1,790,413.62 = 664,480.90 : x - Step 2: Convert to fraction form
1,193,596.84/1,790,413.62 = 664,480.90/x - Step 3: Cross multiply
1,193,596.84x = 1,790,413.62 × 664,480.90 - Step 4: Simplify right side
1,193,596.84x = 1,189,695,653,589.86 - Step 5: Solve for x
x = 1,189,695,653,589.86/1,193,596.84 - Step 6: Final answer
x = 996,731.57
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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.