Finding the Fourth Proportional to 1,327,487.68, 1,988,431.80 and 901,285.12
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Solution
The fourth proportional to 1,327,487.68, 1,988,431.80 and 901,285.12 is: 1,350,026.84
Step by Step Solution
- Step 1: Write the proportion equation
1,327,487.68 : 1,988,431.80 = 901,285.12 : x - Step 2: Convert to fraction form
1,327,487.68/1,988,431.80 = 901,285.12/x - Step 3: Cross multiply
1,327,487.68x = 1,988,431.80 × 901,285.12 - Step 4: Simplify right side
1,327,487.68x = 1,792,143,993,474.82 - Step 5: Solve for x
x = 1,792,143,993,474.82/1,327,487.68 - Step 6: Final answer
x = 1,350,026.84
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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.