Finding the Fourth Proportional to 1,098,059.88, 1,516,268.26 and 690,840.44
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Solution
The fourth proportional to 1,098,059.88, 1,516,268.26 and 690,840.44 is: 953,954.74
Step by Step Solution
- Step 1: Write the proportion equation
1,098,059.88 : 1,516,268.26 = 690,840.44 : x - Step 2: Convert to fraction form
1,098,059.88/1,516,268.26 = 690,840.44/x - Step 3: Cross multiply
1,098,059.88x = 1,516,268.26 × 690,840.44 - Step 4: Simplify right side
1,098,059.88x = 1,047,499,431,896.43 - Step 5: Solve for x
x = 1,047,499,431,896.43/1,098,059.88 - Step 6: Final answer
x = 953,954.74
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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.