Finding the Fourth Proportional to 1,292,849.88, 1,784,096.25 and 704,135.94
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Solution
The fourth proportional to 1,292,849.88, 1,784,096.25 and 704,135.94 is: 971,687.67
Step by Step Solution
- Step 1: Write the proportion equation
1,292,849.88 : 1,784,096.25 = 704,135.94 : x - Step 2: Convert to fraction form
1,292,849.88/1,784,096.25 = 704,135.94/x - Step 3: Cross multiply
1,292,849.88x = 1,784,096.25 × 704,135.94 - Step 4: Simplify right side
1,292,849.88x = 1,256,246,290,044.22 - Step 5: Solve for x
x = 1,256,246,290,044.22/1,292,849.88 - Step 6: Final answer
x = 971,687.67
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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.