Finding the Fourth Proportional to 1,178,549.08, 1,626,408.46 and 713,413.65
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Solution
The fourth proportional to 1,178,549.08, 1,626,408.46 and 713,413.65 is: 984,517.33
Step by Step Solution
- Step 1: Write the proportion equation
1,178,549.08 : 1,626,408.46 = 713,413.65 : x - Step 2: Convert to fraction form
1,178,549.08/1,626,408.46 = 713,413.65/x - Step 3: Cross multiply
1,178,549.08x = 1,626,408.46 × 713,413.65 - Step 4: Simplify right side
1,178,549.08x = 1,160,301,996,972.12 - Step 5: Solve for x
x = 1,160,301,996,972.12/1,178,549.08 - Step 6: Final answer
x = 984,517.33
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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.