Finding the Fourth Proportional to 1,157,099.56, 1,728,612.82 and 748,967.08
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Solution
The fourth proportional to 1,157,099.56, 1,728,612.82 and 748,967.08 is: 1,118,896.02
Step by Step Solution
- Step 1: Write the proportion equation
1,157,099.56 : 1,728,612.82 = 748,967.08 : x - Step 2: Convert to fraction form
1,157,099.56/1,728,612.82 = 748,967.08/x - Step 3: Cross multiply
1,157,099.56x = 1,728,612.82 × 748,967.08 - Step 4: Simplify right side
1,157,099.56x = 1,294,674,096,245.97 - Step 5: Solve for x
x = 1,294,674,096,245.97/1,157,099.56 - Step 6: Final answer
x = 1,118,896.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.