Finding the Fourth Proportional to 1,117,257.42, 1,676,717.58 and 548,943.60
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Solution
The fourth proportional to 1,117,257.42, 1,676,717.58 and 548,943.60 is: 823,823.92
Step by Step Solution
- Step 1: Write the proportion equation
1,117,257.42 : 1,676,717.58 = 548,943.60 : x - Step 2: Convert to fraction form
1,117,257.42/1,676,717.58 = 548,943.60/x - Step 3: Cross multiply
1,117,257.42x = 1,676,717.58 × 548,943.60 - Step 4: Simplify right side
1,117,257.42x = 920,423,384,548.49 - Step 5: Solve for x
x = 920,423,384,548.49/1,117,257.42 - Step 6: Final answer
x = 823,823.92
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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.