Finding the Fourth Proportional to 1,359,969.67, 1,876,821.60 and 786,898.99
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Solution
The fourth proportional to 1,359,969.67, 1,876,821.60 and 786,898.99 is: 1,085,957.32
Step by Step Solution
- Step 1: Write the proportion equation
1,359,969.67 : 1,876,821.60 = 786,898.99 : x - Step 2: Convert to fraction form
1,359,969.67/1,876,821.60 = 786,898.99/x - Step 3: Cross multiply
1,359,969.67x = 1,876,821.60 × 786,898.99 - Step 4: Simplify right side
1,359,969.67x = 1,476,869,021,450.18 - Step 5: Solve for x
x = 1,476,869,021,450.18/1,359,969.67 - Step 6: Final answer
x = 1,085,957.32
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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.