Finding the Fourth Proportional to 1,431,612.26, 1,975,662.63 and 787,048.68
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Solution
The fourth proportional to 1,431,612.26, 1,975,662.63 and 787,048.68 is: 1,086,147.91
Step by Step Solution
- Step 1: Write the proportion equation
1,431,612.26 : 1,975,662.63 = 787,048.68 : x - Step 2: Convert to fraction form
1,431,612.26/1,975,662.63 = 787,048.68/x - Step 3: Cross multiply
1,431,612.26x = 1,975,662.63 × 787,048.68 - Step 4: Simplify right side
1,431,612.26x = 1,554,942,665,066.83 - Step 5: Solve for x
x = 1,554,942,665,066.83/1,431,612.26 - Step 6: Final answer
x = 1,086,147.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.