Finding the Fourth Proportional to 1,288,591.68, 1,932,737.36 and 342,035.92
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Solution
The fourth proportional to 1,288,591.68, 1,932,737.36 and 342,035.92 is: 513,014.02
Step by Step Solution
- Step 1: Write the proportion equation
1,288,591.68 : 1,932,737.36 = 342,035.92 : x - Step 2: Convert to fraction form
1,288,591.68/1,932,737.36 = 342,035.92/x - Step 3: Cross multiply
1,288,591.68x = 1,932,737.36 × 342,035.92 - Step 4: Simplify right side
1,288,591.68x = 661,065,601,045.97 - Step 5: Solve for x
x = 661,065,601,045.97/1,288,591.68 - Step 6: Final answer
x = 513,014.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.