Finding the Fourth Proportional to 1,095,523.96, 1,644,639.12 and 519,697.84
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Solution
The fourth proportional to 1,095,523.96, 1,644,639.12 and 519,697.84 is: 780,188.69
Step by Step Solution
- Step 1: Write the proportion equation
1,095,523.96 : 1,644,639.12 = 519,697.84 : x - Step 2: Convert to fraction form
1,095,523.96/1,644,639.12 = 519,697.84/x - Step 3: Cross multiply
1,095,523.96x = 1,644,639.12 × 519,697.84 - Step 4: Simplify right side
1,095,523.96x = 854,715,398,243.50 - Step 5: Solve for x
x = 854,715,398,243.50/1,095,523.96 - Step 6: Final answer
x = 780,188.69
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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.