Finding the Fourth Proportional to 1,008,052.05, 1,512,078.08 and 693,124.05
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Solution
The fourth proportional to 1,008,052.05, 1,512,078.08 and 693,124.05 is: 1,039,686.08
Step by Step Solution
- Step 1: Write the proportion equation
1,008,052.05 : 1,512,078.08 = 693,124.05 : x - Step 2: Convert to fraction form
1,008,052.05/1,512,078.08 = 693,124.05/x - Step 3: Cross multiply
1,008,052.05x = 1,512,078.08 × 693,124.05 - Step 4: Simplify right side
1,008,052.05x = 1,048,057,682,725.82 - Step 5: Solve for x
x = 1,048,057,682,725.82/1,008,052.05 - Step 6: Final answer
x = 1,039,686.08
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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.