Finding the Fourth Proportional to 1,286,316.50, 1,775,072.12 and 713,409.98
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Solution
The fourth proportional to 1,286,316.50, 1,775,072.12 and 713,409.98 is: 984,481.00
Step by Step Solution
- Step 1: Write the proportion equation
1,286,316.50 : 1,775,072.12 = 713,409.98 : x - Step 2: Convert to fraction form
1,286,316.50/1,775,072.12 = 713,409.98/x - Step 3: Cross multiply
1,286,316.50x = 1,775,072.12 × 713,409.98 - Step 4: Simplify right side
1,286,316.50x = 1,266,354,153,185.35 - Step 5: Solve for x
x = 1,266,354,153,185.35/1,286,316.50 - Step 6: Final answer
x = 984,481.00
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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.