Finding the Fourth Proportional to 1,313,067.92, 1,968,863.12 and 414,342.14
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Solution
The fourth proportional to 1,313,067.92, 1,968,863.12 and 414,342.14 is: 621,280.09
Step by Step Solution
- Step 1: Write the proportion equation
1,313,067.92 : 1,968,863.12 = 414,342.14 : x - Step 2: Convert to fraction form
1,313,067.92/1,968,863.12 = 414,342.14/x - Step 3: Cross multiply
1,313,067.92x = 1,968,863.12 × 414,342.14 - Step 4: Simplify right side
1,313,067.92x = 815,782,956,436.17 - Step 5: Solve for x
x = 815,782,956,436.17/1,313,067.92 - Step 6: Final answer
x = 621,280.09
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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.