Finding the Fourth Proportional to 1,202,809.30, 1,804,213.95 and 746,163.70
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Solution
The fourth proportional to 1,202,809.30, 1,804,213.95 and 746,163.70 is: 1,119,245.55
Step by Step Solution
- Step 1: Write the proportion equation
1,202,809.30 : 1,804,213.95 = 746,163.70 : x - Step 2: Convert to fraction form
1,202,809.30/1,804,213.95 = 746,163.70/x - Step 3: Cross multiply
1,202,809.30x = 1,804,213.95 × 746,163.70 - Step 4: Simplify right side
1,202,809.30x = 1,346,238,956,523.62 - Step 5: Solve for x
x = 1,346,238,956,523.62/1,202,809.30 - Step 6: Final answer
x = 1,119,245.55
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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.