Finding the Fourth Proportional to 1,385,926.44, 2,078,964.17 and 439,370.97
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Solution
The fourth proportional to 1,385,926.44, 2,078,964.17 and 439,370.97 is: 659,080.08
Step by Step Solution
- Step 1: Write the proportion equation
1,385,926.44 : 2,078,964.17 = 439,370.97 : x - Step 2: Convert to fraction form
1,385,926.44/2,078,964.17 = 439,370.97/x - Step 3: Cross multiply
1,385,926.44x = 2,078,964.17 × 439,370.97 - Step 4: Simplify right side
1,385,926.44x = 913,436,503,968.15 - Step 5: Solve for x
x = 913,436,503,968.15/1,385,926.44 - Step 6: Final answer
x = 659,080.08
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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.