Finding the Fourth Proportional to 1,176,918.48, 1,624,099.68 and 667,609.92
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Solution
The fourth proportional to 1,176,918.48, 1,624,099.68 and 667,609.92 is: 921,274.56
Step by Step Solution
- Step 1: Write the proportion equation
1,176,918.48 : 1,624,099.68 = 667,609.92 : x - Step 2: Convert to fraction form
1,176,918.48/1,624,099.68 = 667,609.92/x - Step 3: Cross multiply
1,176,918.48x = 1,624,099.68 × 667,609.92 - Step 4: Simplify right side
1,176,918.48x = 1,084,265,057,436.83 - Step 5: Solve for x
x = 1,084,265,057,436.83/1,176,918.48 - Step 6: Final answer
x = 921,274.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.