Finding the Fourth Proportional to 1,012,112.82, 1,396,745.37 and 553,252.68
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Solution
The fourth proportional to 1,012,112.82, 1,396,745.37 and 553,252.68 is: 763,504.92
Step by Step Solution
- Step 1: Write the proportion equation
1,012,112.82 : 1,396,745.37 = 553,252.68 : x - Step 2: Convert to fraction form
1,012,112.82/1,396,745.37 = 553,252.68/x - Step 3: Cross multiply
1,012,112.82x = 1,396,745.37 × 553,252.68 - Step 4: Simplify right side
1,012,112.82x = 772,753,119,230.09 - Step 5: Solve for x
x = 772,753,119,230.09/1,012,112.82 - Step 6: Final answer
x = 763,504.92
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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.