Finding the Fourth Proportional to 1,438,736.10, 2,157,310.62 and 585,588.75
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Solution
The fourth proportional to 1,438,736.10, 2,157,310.62 and 585,588.75 is: 878,060.15
Step by Step Solution
- Step 1: Write the proportion equation
1,438,736.10 : 2,157,310.62 = 585,588.75 : x - Step 2: Convert to fraction form
1,438,736.10/2,157,310.62 = 585,588.75/x - Step 3: Cross multiply
1,438,736.10x = 2,157,310.62 × 585,588.75 - Step 4: Simplify right side
1,438,736.10x = 1,263,296,829,327.53 - Step 5: Solve for x
x = 1,263,296,829,327.53/1,438,736.10 - Step 6: Final answer
x = 878,060.15
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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.