Finding the Fourth Proportional to 1,119,531.24, 1,543,731.96 and 756,324.36
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Solution
The fourth proportional to 1,119,531.24, 1,543,731.96 and 756,324.36 is: 1,042,902.64
Step by Step Solution
- Step 1: Write the proportion equation
1,119,531.24 : 1,543,731.96 = 756,324.36 : x - Step 2: Convert to fraction form
1,119,531.24/1,543,731.96 = 756,324.36/x - Step 3: Cross multiply
1,119,531.24x = 1,543,731.96 × 756,324.36 - Step 4: Simplify right side
1,119,531.24x = 1,167,562,086,658.55 - Step 5: Solve for x
x = 1,167,562,086,658.55/1,119,531.24 - Step 6: Final answer
x = 1,042,902.64
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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.