Finding the Fourth Proportional to 1,412,239.44, 1,948,891.74 and 767,659.62
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Solution
The fourth proportional to 1,412,239.44, 1,948,891.74 and 767,659.62 is: 1,059,370.99
Step by Step Solution
- Step 1: Write the proportion equation
1,412,239.44 : 1,948,891.74 = 767,659.62 : x - Step 2: Convert to fraction form
1,412,239.44/1,948,891.74 = 767,659.62/x - Step 3: Cross multiply
1,412,239.44x = 1,948,891.74 × 767,659.62 - Step 4: Simplify right side
1,412,239.44x = 1,496,085,492,549.54 - Step 5: Solve for x
x = 1,496,085,492,549.54/1,412,239.44 - Step 6: Final answer
x = 1,059,370.99
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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.