Finding the Fourth Proportional to 1,078,329.20, 1,618,530.60 and 546,450.80
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Solution
The fourth proportional to 1,078,329.20, 1,618,530.60 and 546,450.80 is: 820,201.61
Step by Step Solution
- Step 1: Write the proportion equation
1,078,329.20 : 1,618,530.60 = 546,450.80 : x - Step 2: Convert to fraction form
1,078,329.20/1,618,530.60 = 546,450.80/x - Step 3: Cross multiply
1,078,329.20x = 1,618,530.60 × 546,450.80 - Step 4: Simplify right side
1,078,329.20x = 884,447,341,194.48 - Step 5: Solve for x
x = 884,447,341,194.48/1,078,329.20 - Step 6: Final answer
x = 820,201.61
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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.