Finding the Fourth Proportional to 1,236,537.74, 1,855,072.71 and 383,592.38
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Solution
The fourth proportional to 1,236,537.74, 1,855,072.71 and 383,592.38 is: 575,471.12
Step by Step Solution
- Step 1: Write the proportion equation
1,236,537.74 : 1,855,072.71 = 383,592.38 : x - Step 2: Convert to fraction form
1,236,537.74/1,855,072.71 = 383,592.38/x - Step 3: Cross multiply
1,236,537.74x = 1,855,072.71 × 383,592.38 - Step 4: Simplify right side
1,236,537.74x = 711,591,755,901.95 - Step 5: Solve for x
x = 711,591,755,901.95/1,236,537.74 - Step 6: Final answer
x = 575,471.12
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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.