Finding the Fourth Proportional to 1,080,769.09, 1,621,186.67 and 370,787.17
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Solution
The fourth proportional to 1,080,769.09, 1,621,186.67 and 370,787.17 is: 556,192.09
Step by Step Solution
- Step 1: Write the proportion equation
1,080,769.09 : 1,621,186.67 = 370,787.17 : x - Step 2: Convert to fraction form
1,080,769.09/1,621,186.67 = 370,787.17/x - Step 3: Cross multiply
1,080,769.09x = 1,621,186.67 × 370,787.17 - Step 4: Simplify right side
1,080,769.09x = 601,115,215,557.09 - Step 5: Solve for x
x = 601,115,215,557.09/1,080,769.09 - Step 6: Final answer
x = 556,192.09
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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.