Finding the Fourth Proportional to 1,044,874.99, 1,442,085.09 and 637,213.31
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Solution
The fourth proportional to 1,044,874.99, 1,442,085.09 and 637,213.31 is: 879,450.49
Step by Step Solution
- Step 1: Write the proportion equation
1,044,874.99 : 1,442,085.09 = 637,213.31 : x - Step 2: Convert to fraction form
1,044,874.99/1,442,085.09 = 637,213.31/x - Step 3: Cross multiply
1,044,874.99x = 1,442,085.09 × 637,213.31 - Step 4: Simplify right side
1,044,874.99x = 918,915,812,892.72 - Step 5: Solve for x
x = 918,915,812,892.72/1,044,874.99 - Step 6: Final answer
x = 879,450.49
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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.