Finding the Fourth Proportional to 1,252,423.07, 1,878,629.74 and 453,517.75
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Solution
The fourth proportional to 1,252,423.07, 1,878,629.74 and 453,517.75 is: 680,274.86
Step by Step Solution
- Step 1: Write the proportion equation
1,252,423.07 : 1,878,629.74 = 453,517.75 : x - Step 2: Convert to fraction form
1,252,423.07/1,878,629.74 = 453,517.75/x - Step 3: Cross multiply
1,252,423.07x = 1,878,629.74 × 453,517.75 - Step 4: Simplify right side
1,252,423.07x = 851,991,932,767.89 - Step 5: Solve for x
x = 851,991,932,767.89/1,252,423.07 - Step 6: Final answer
x = 680,274.86
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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.