Finding the Fourth Proportional to 1,049,721.63, 1,449,313.11 and 807,576.99
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Solution
The fourth proportional to 1,049,721.63, 1,449,313.11 and 807,576.99 is: 1,114,992.67
Step by Step Solution
- Step 1: Write the proportion equation
1,049,721.63 : 1,449,313.11 = 807,576.99 : x - Step 2: Convert to fraction form
1,049,721.63/1,449,313.11 = 807,576.99/x - Step 3: Cross multiply
1,049,721.63x = 1,449,313.11 × 807,576.99 - Step 4: Simplify right side
1,049,721.63x = 1,170,431,918,941.34 - Step 5: Solve for x
x = 1,170,431,918,941.34/1,049,721.63 - Step 6: Final answer
x = 1,114,992.67
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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.