Finding the Fourth Proportional to 1,177,959.80, 1,767,216.60 and 379,211.50
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Solution
The fourth proportional to 1,177,959.80, 1,767,216.60 and 379,211.50 is: 568,906.39
Step by Step Solution
- Step 1: Write the proportion equation
1,177,959.80 : 1,767,216.60 = 379,211.50 : x - Step 2: Convert to fraction form
1,177,959.80/1,767,216.60 = 379,211.50/x - Step 3: Cross multiply
1,177,959.80x = 1,767,216.60 × 379,211.50 - Step 4: Simplify right side
1,177,959.80x = 670,148,857,710.90 - Step 5: Solve for x
x = 670,148,857,710.90/1,177,959.80 - Step 6: Final answer
x = 568,906.39
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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.