Finding the Fourth Proportional to 1,119,522.87, 1,543,720.64 and 756,316.08
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Solution
The fourth proportional to 1,119,522.87, 1,543,720.64 and 756,316.08 is: 1,042,891.37
Step by Step Solution
- Step 1: Write the proportion equation
1,119,522.87 : 1,543,720.64 = 756,316.08 : x - Step 2: Convert to fraction form
1,119,522.87/1,543,720.64 = 756,316.08/x - Step 3: Cross multiply
1,119,522.87x = 1,543,720.64 × 756,316.08 - Step 4: Simplify right side
1,119,522.87x = 1,167,540,739,278.31 - Step 5: Solve for x
x = 1,167,540,739,278.31/1,119,522.87 - Step 6: Final answer
x = 1,042,891.37
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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.