Finding the Fourth Proportional to 1,371,344.75, 2,058,343.90 and 661,872.23
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Solution
The fourth proportional to 1,371,344.75, 2,058,343.90 and 661,872.23 is: 993,448.70
Step by Step Solution
- Step 1: Write the proportion equation
1,371,344.75 : 2,058,343.90 = 661,872.23 : x - Step 2: Convert to fraction form
1,371,344.75/2,058,343.90 = 661,872.23/x - Step 3: Cross multiply
1,371,344.75x = 2,058,343.90 × 661,872.23 - Step 4: Simplify right side
1,371,344.75x = 1,362,360,655,253.50 - Step 5: Solve for x
x = 1,362,360,655,253.50/1,371,344.75 - Step 6: Final answer
x = 993,448.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.