Finding the Fourth Proportional to 1,236,199.97, 1,705,761.09 and 720,038.81
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Solution
The fourth proportional to 1,236,199.97, 1,705,761.09 and 720,038.81 is: 993,540.05
Step by Step Solution
- Step 1: Write the proportion equation
1,236,199.97 : 1,705,761.09 = 720,038.81 : x - Step 2: Convert to fraction form
1,236,199.97/1,705,761.09 = 720,038.81/x - Step 3: Cross multiply
1,236,199.97x = 1,705,761.09 × 720,038.81 - Step 4: Simplify right side
1,236,199.97x = 1,228,214,176,859.10 - Step 5: Solve for x
x = 1,228,214,176,859.10/1,236,199.97 - Step 6: Final answer
x = 993,540.05
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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.