Finding the Fourth Proportional to 1,419,789.09, 1,959,294.09 and 775,207.29
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Solution
The fourth proportional to 1,419,789.09, 1,959,294.09 and 775,207.29 is: 1,069,777.95
Step by Step Solution
- Step 1: Write the proportion equation
1,419,789.09 : 1,959,294.09 = 775,207.29 : x - Step 2: Convert to fraction form
1,419,789.09/1,959,294.09 = 775,207.29/x - Step 3: Cross multiply
1,419,789.09x = 1,959,294.09 × 775,207.29 - Step 4: Simplify right side
1,419,789.09x = 1,518,859,061,821.92 - Step 5: Solve for x
x = 1,518,859,061,821.92/1,419,789.09 - Step 6: Final answer
x = 1,069,777.95
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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.