Finding the Fourth Proportional to 1,350,598.91, 1,863,725.43 and 738,720.05
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Solution
The fourth proportional to 1,350,598.91, 1,863,725.43 and 738,720.05 is: 1,019,378.39
Step by Step Solution
- Step 1: Write the proportion equation
1,350,598.91 : 1,863,725.43 = 738,720.05 : x - Step 2: Convert to fraction form
1,350,598.91/1,863,725.43 = 738,720.05/x - Step 3: Cross multiply
1,350,598.91x = 1,863,725.43 × 738,720.05 - Step 4: Simplify right side
1,350,598.91x = 1,376,771,333,517.24 - Step 5: Solve for x
x = 1,376,771,333,517.24/1,350,598.91 - Step 6: Final answer
x = 1,019,378.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.