Finding the Fourth Proportional to 1,253,556.41, 1,880,604.36 and 388,974.10
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Solution
The fourth proportional to 1,253,556.41, 1,880,604.36 and 388,974.10 is: 583,544.84
Step by Step Solution
- Step 1: Write the proportion equation
1,253,556.41 : 1,880,604.36 = 388,974.10 : x - Step 2: Convert to fraction form
1,253,556.41/1,880,604.36 = 388,974.10/x - Step 3: Cross multiply
1,253,556.41x = 1,880,604.36 × 388,974.10 - Step 4: Simplify right side
1,253,556.41x = 731,506,377,039.18 - Step 5: Solve for x
x = 731,506,377,039.18/1,253,556.41 - Step 6: Final answer
x = 583,544.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.