Finding the Fourth Proportional to 1,350,598.65, 1,863,725.09 and 738,719.79
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Solution
The fourth proportional to 1,350,598.65, 1,863,725.09 and 738,719.79 is: 1,019,378.04
Step by Step Solution
- Step 1: Write the proportion equation
1,350,598.65 : 1,863,725.09 = 738,719.79 : x - Step 2: Convert to fraction form
1,350,598.65/1,863,725.09 = 738,719.79/x - Step 3: Cross multiply
1,350,598.65x = 1,863,725.09 × 738,719.79 - Step 4: Simplify right side
1,350,598.65x = 1,376,770,607,102.53 - Step 5: Solve for x
x = 1,376,770,607,102.53/1,350,598.65 - Step 6: Final answer
x = 1,019,378.04
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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.