Finding the Fourth Proportional to 1,224,244.80, 1,836,367.20 and 664,372.80
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Solution
The fourth proportional to 1,224,244.80, 1,836,367.20 and 664,372.80 is: 996,559.20
Step by Step Solution
- Step 1: Write the proportion equation
1,224,244.80 : 1,836,367.20 = 664,372.80 : x - Step 2: Convert to fraction form
1,224,244.80/1,836,367.20 = 664,372.80/x - Step 3: Cross multiply
1,224,244.80x = 1,836,367.20 × 664,372.80 - Step 4: Simplify right side
1,224,244.80x = 1,220,032,418,492.16 - Step 5: Solve for x
x = 1,220,032,418,492.16/1,224,244.80 - Step 6: Final answer
x = 996,559.20
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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.