Finding the Fourth Proportional to 1,311,542.28, 1,967,383.62 and 413,053.99
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Solution
The fourth proportional to 1,311,542.28, 1,967,383.62 and 413,053.99 is: 619,603.09
Step by Step Solution
- Step 1: Write the proportion equation
1,311,542.28 : 1,967,383.62 = 413,053.99 : x - Step 2: Convert to fraction form
1,311,542.28/1,967,383.62 = 413,053.99/x - Step 3: Cross multiply
1,311,542.28x = 1,967,383.62 × 413,053.99 - Step 4: Simplify right side
1,311,542.28x = 812,635,649,183.19 - Step 5: Solve for x
x = 812,635,649,183.19/1,311,542.28 - Step 6: Final answer
x = 619,603.09
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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.