Finding the Fourth Proportional to 1,440,201.60, 2,159,265.60 and 809,308.80
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Solution
The fourth proportional to 1,440,201.60, 2,159,265.60 and 809,308.80 is: 1,213,380.58
Step by Step Solution
- Step 1: Write the proportion equation
1,440,201.60 : 2,159,265.60 = 809,308.80 : x - Step 2: Convert to fraction form
1,440,201.60/2,159,265.60 = 809,308.80/x - Step 3: Cross multiply
1,440,201.60x = 2,159,265.60 × 809,308.80 - Step 4: Simplify right side
1,440,201.60x = 1,747,512,651,617.28 - Step 5: Solve for x
x = 1,747,512,651,617.28/1,440,201.60 - Step 6: Final answer
x = 1,213,380.58
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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.