Finding the Fourth Proportional to 1,119,717.80, 1,679,576.70 and 804,789.80
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Solution
The fourth proportional to 1,119,717.80, 1,679,576.70 and 804,789.80 is: 1,207,184.70
Step by Step Solution
- Step 1: Write the proportion equation
1,119,717.80 : 1,679,576.70 = 804,789.80 : x - Step 2: Convert to fraction form
1,119,717.80/1,679,576.70 = 804,789.80/x - Step 3: Cross multiply
1,119,717.80x = 1,679,576.70 × 804,789.80 - Step 4: Simplify right side
1,119,717.80x = 1,351,706,196,477.66 - Step 5: Solve for x
x = 1,351,706,196,477.66/1,119,717.80 - Step 6: Final answer
x = 1,207,184.70
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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.