Finding the Fourth Proportional to 1,127,576.62, 1,691,106.12 and 672,296.68
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Solution
The fourth proportional to 1,127,576.62, 1,691,106.12 and 672,296.68 is: 1,008,290.71
Step by Step Solution
- Step 1: Write the proportion equation
1,127,576.62 : 1,691,106.12 = 672,296.68 : x - Step 2: Convert to fraction form
1,127,576.62/1,691,106.12 = 672,296.68/x - Step 3: Cross multiply
1,127,576.62x = 1,691,106.12 × 672,296.68 - Step 4: Simplify right side
1,127,576.62x = 1,136,925,030,003.68 - Step 5: Solve for x
x = 1,136,925,030,003.68/1,127,576.62 - Step 6: Final answer
x = 1,008,290.71
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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.