Finding the Fourth Proportional to 1,331,685.92, 1,997,727.76 and 490,173.68
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Solution
The fourth proportional to 1,331,685.92, 1,997,727.76 and 490,173.68 is: 735,333.72
Step by Step Solution
- Step 1: Write the proportion equation
1,331,685.92 : 1,997,727.76 = 490,173.68 : x - Step 2: Convert to fraction form
1,331,685.92/1,997,727.76 = 490,173.68/x - Step 3: Cross multiply
1,331,685.92x = 1,997,727.76 × 490,173.68 - Step 4: Simplify right side
1,331,685.92x = 979,233,567,757.36 - Step 5: Solve for x
x = 979,233,567,757.36/1,331,685.92 - Step 6: Final answer
x = 735,333.72
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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.