Finding the Fourth Proportional to 1,192,637.08, 1,788,576.26 and 393,769.88
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Solution
The fourth proportional to 1,192,637.08, 1,788,576.26 and 393,769.88 is: 590,529.57
Step by Step Solution
- Step 1: Write the proportion equation
1,192,637.08 : 1,788,576.26 = 393,769.88 : x - Step 2: Convert to fraction form
1,192,637.08/1,788,576.26 = 393,769.88/x - Step 3: Cross multiply
1,192,637.08x = 1,788,576.26 × 393,769.88 - Step 4: Simplify right side
1,192,637.08x = 704,287,459,271.05 - Step 5: Solve for x
x = 704,287,459,271.05/1,192,637.08 - Step 6: Final answer
x = 590,529.57
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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.