Finding the Fourth Proportional to 1,158,548.28, 1,598,891.35 and 642,464.05
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Solution
The fourth proportional to 1,158,548.28, 1,598,891.35 and 642,464.05 is: 886,652.92
Step by Step Solution
- Step 1: Write the proportion equation
1,158,548.28 : 1,598,891.35 = 642,464.05 : x - Step 2: Convert to fraction form
1,158,548.28/1,598,891.35 = 642,464.05/x - Step 3: Cross multiply
1,158,548.28x = 1,598,891.35 × 642,464.05 - Step 4: Simplify right side
1,158,548.28x = 1,027,230,213,828.04 - Step 5: Solve for x
x = 1,027,230,213,828.04/1,158,548.28 - Step 6: Final answer
x = 886,652.92
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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.