Finding the Fourth Proportional to 1,145,750.12, 1,719,413.98 and 397,796.20
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Solution
The fourth proportional to 1,145,750.12, 1,719,413.98 and 397,796.20 is: 596,968.17
Step by Step Solution
- Step 1: Write the proportion equation
1,145,750.12 : 1,719,413.98 = 397,796.20 : x - Step 2: Convert to fraction form
1,145,750.12/1,719,413.98 = 397,796.20/x - Step 3: Cross multiply
1,145,750.12x = 1,719,413.98 × 397,796.20 - Step 4: Simplify right side
1,145,750.12x = 683,976,347,470.88 - Step 5: Solve for x
x = 683,976,347,470.88/1,145,750.12 - Step 6: Final answer
x = 596,968.17
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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.