Finding the Fourth Proportional to 1,239,291.36, 1,858,548.24 and 397,656
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Solution
The fourth proportional to 1,239,291.36, 1,858,548.24 and 397,656 is: 596,359.24
Step by Step Solution
- Step 1: Write the proportion equation
1,239,291.36 : 1,858,548.24 = 397,656 : x - Step 2: Convert to fraction form
1,239,291.36/1,858,548.24 = 397,656/x - Step 3: Cross multiply
1,239,291.36x = 1,858,548.24 × 397,656 - Step 4: Simplify right side
1,239,291.36x = 739,062,858,925.44 - Step 5: Solve for x
x = 739,062,858,925.44/1,239,291.36 - Step 6: Final answer
x = 596,359.24
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.