Finding the Fourth Proportional to 1,118,371.96, 1,543,396.99 and 634,982.08
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Solution
The fourth proportional to 1,118,371.96, 1,543,396.99 and 634,982.08 is: 876,300.08
Step by Step Solution
- Step 1: Write the proportion equation
1,118,371.96 : 1,543,396.99 = 634,982.08 : x - Step 2: Convert to fraction form
1,118,371.96/1,543,396.99 = 634,982.08/x - Step 3: Cross multiply
1,118,371.96x = 1,543,396.99 × 634,982.08 - Step 4: Simplify right side
1,118,371.96x = 980,029,430,975.94 - Step 5: Solve for x
x = 980,029,430,975.94/1,118,371.96 - Step 6: Final answer
x = 876,300.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.