Finding the Fourth Proportional to 1,397,172.95, 2,095,696.49 and 486,997.21
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Solution
The fourth proportional to 1,397,172.95, 2,095,696.49 and 486,997.21 is: 730,473.87
Step by Step Solution
- Step 1: Write the proportion equation
1,397,172.95 : 2,095,696.49 = 486,997.21 : x - Step 2: Convert to fraction form
1,397,172.95/2,095,696.49 = 486,997.21/x - Step 3: Cross multiply
1,397,172.95x = 2,095,696.49 × 486,997.21 - Step 4: Simplify right side
1,397,172.95x = 1,020,598,330,723.32 - Step 5: Solve for x
x = 1,020,598,330,723.32/1,397,172.95 - Step 6: Final answer
x = 730,473.87
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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.