Finding the Fourth Proportional to 1,311,745.32, 1,963,173.65 and 806,626.22
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Solution
The fourth proportional to 1,311,745.32, 1,963,173.65 and 806,626.22 is: 1,207,206.39
Step by Step Solution
- Step 1: Write the proportion equation
1,311,745.32 : 1,963,173.65 = 806,626.22 : x - Step 2: Convert to fraction form
1,311,745.32/1,963,173.65 = 806,626.22/x - Step 3: Cross multiply
1,311,745.32x = 1,963,173.65 × 806,626.22 - Step 4: Simplify right side
1,311,745.32x = 1,583,547,326,654.10 - Step 5: Solve for x
x = 1,583,547,326,654.10/1,311,745.32 - Step 6: Final answer
x = 1,207,206.39
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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.