Finding the Fourth Proportional to 1,169,609.16, 1,614,099.70 and 716,812.68
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Solution
The fourth proportional to 1,169,609.16, 1,614,099.70 and 716,812.68 is: 989,225.44
Step by Step Solution
- Step 1: Write the proportion equation
1,169,609.16 : 1,614,099.70 = 716,812.68 : x - Step 2: Convert to fraction form
1,169,609.16/1,614,099.70 = 716,812.68/x - Step 3: Cross multiply
1,169,609.16x = 1,614,099.70 × 716,812.68 - Step 4: Simplify right side
1,169,609.16x = 1,157,007,131,744.20 - Step 5: Solve for x
x = 1,157,007,131,744.20/1,169,609.16 - Step 6: Final answer
x = 989,225.44
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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.