Finding the Fourth Proportional to 1,316,990.62, 1,975,485.42 and 370,361.29
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Solution
The fourth proportional to 1,316,990.62, 1,975,485.42 and 370,361.29 is: 555,541.79
Step by Step Solution
- Step 1: Write the proportion equation
1,316,990.62 : 1,975,485.42 = 370,361.29 : x - Step 2: Convert to fraction form
1,316,990.62/1,975,485.42 = 370,361.29/x - Step 3: Cross multiply
1,316,990.62x = 1,975,485.42 × 370,361.29 - Step 4: Simplify right side
1,316,990.62x = 731,643,328,527.39 - Step 5: Solve for x
x = 731,643,328,527.39/1,316,990.62 - Step 6: Final answer
x = 555,541.79
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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.