Finding the Fourth Proportional to 1,202,396.04, 1,659,317.58 and 820,414.62
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Solution
The fourth proportional to 1,202,396.04, 1,659,317.58 and 820,414.62 is: 1,132,179.71
Step by Step Solution
- Step 1: Write the proportion equation
1,202,396.04 : 1,659,317.58 = 820,414.62 : x - Step 2: Convert to fraction form
1,202,396.04/1,659,317.58 = 820,414.62/x - Step 3: Cross multiply
1,202,396.04x = 1,659,317.58 × 820,414.62 - Step 4: Simplify right side
1,202,396.04x = 1,361,328,401,855.02 - Step 5: Solve for x
x = 1,361,328,401,855.02/1,202,396.04 - Step 6: Final answer
x = 1,132,179.71
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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.