Finding the Fourth Proportional to 1,392,263.44, 2,088,396.94 and 381,394.26
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Solution
The fourth proportional to 1,392,263.44, 2,088,396.94 and 381,394.26 is: 572,091.88
Step by Step Solution
- Step 1: Write the proportion equation
1,392,263.44 : 2,088,396.94 = 381,394.26 : x - Step 2: Convert to fraction form
1,392,263.44/2,088,396.94 = 381,394.26/x - Step 3: Cross multiply
1,392,263.44x = 2,088,396.94 × 381,394.26 - Step 4: Simplify right side
1,392,263.44x = 796,502,605,517.57 - Step 5: Solve for x
x = 796,502,605,517.57/1,392,263.44 - Step 6: Final answer
x = 572,091.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.