Finding the Fourth Proportional to 1,440,207.60, 2,159,274.60 and 809,314.80
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Solution
The fourth proportional to 1,440,207.60, 2,159,274.60 and 809,314.80 is: 1,213,389.58
Step by Step Solution
- Step 1: Write the proportion equation
1,440,207.60 : 2,159,274.60 = 809,314.80 : x - Step 2: Convert to fraction form
1,440,207.60/2,159,274.60 = 809,314.80/x - Step 3: Cross multiply
1,440,207.60x = 2,159,274.60 × 809,314.80 - Step 4: Simplify right side
1,440,207.60x = 1,747,532,891,044.08 - Step 5: Solve for x
x = 1,747,532,891,044.08/1,440,207.60 - Step 6: Final answer
x = 1,213,389.58
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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.