Finding the Fourth Proportional to 1,228,961.20, 1,843,447.64 and 376,031.49
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Solution
The fourth proportional to 1,228,961.20, 1,843,447.64 and 376,031.49 is: 564,049.02
Step by Step Solution
- Step 1: Write the proportion equation
1,228,961.20 : 1,843,447.64 = 376,031.49 : x - Step 2: Convert to fraction form
1,228,961.20/1,843,447.64 = 376,031.49/x - Step 3: Cross multiply
1,228,961.20x = 1,843,447.64 × 376,031.49 - Step 4: Simplify right side
1,228,961.20x = 693,194,367,503.61 - Step 5: Solve for x
x = 693,194,367,503.61/1,228,961.20 - Step 6: Final answer
x = 564,049.02
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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.