Finding the Fourth Proportional to 1,392,305.51, 2,088,460.08 and 381,436.34
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Solution
The fourth proportional to 1,392,305.51, 2,088,460.08 and 381,436.34 is: 572,155.00
Step by Step Solution
- Step 1: Write the proportion equation
1,392,305.51 : 2,088,460.08 = 381,436.34 : x - Step 2: Convert to fraction form
1,392,305.51/2,088,460.08 = 381,436.34/x - Step 3: Cross multiply
1,392,305.51x = 2,088,460.08 × 381,436.34 - Step 4: Simplify right side
1,392,305.51x = 796,614,558,709.01 - Step 5: Solve for x
x = 796,614,558,709.01/1,392,305.51 - Step 6: Final answer
x = 572,155.00
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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.