Finding the Fourth Proportional to 1,431,546.24, 1,975,533.12 and 787,008
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Solution
The fourth proportional to 1,431,546.24, 1,975,533.12 and 787,008 is: 1,086,070.66
Step by Step Solution
- Step 1: Write the proportion equation
1,431,546.24 : 1,975,533.12 = 787,008 : x - Step 2: Convert to fraction form
1,431,546.24/1,975,533.12 = 787,008/x - Step 3: Cross multiply
1,431,546.24x = 1,975,533.12 × 787,008 - Step 4: Simplify right side
1,431,546.24x = 1,554,760,369,704.96 - Step 5: Solve for x
x = 1,554,760,369,704.96/1,431,546.24 - Step 6: Final answer
x = 1,086,070.66
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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.