Finding the Fourth Proportional to 1,045,380.26, 1,566,692.58 and 413,949.62
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Solution
The fourth proportional to 1,045,380.26, 1,566,692.58 and 413,949.62 is: 620,378.84
Step by Step Solution
- Step 1: Write the proportion equation
1,045,380.26 : 1,566,692.58 = 413,949.62 : x - Step 2: Convert to fraction form
1,045,380.26/1,566,692.58 = 413,949.62/x - Step 3: Cross multiply
1,045,380.26x = 1,566,692.58 × 413,949.62 - Step 4: Simplify right side
1,045,380.26x = 648,531,798,147.82 - Step 5: Solve for x
x = 648,531,798,147.82/1,045,380.26 - Step 6: Final answer
x = 620,378.84
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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.