Finding the Fourth Proportional to 1,311,751.06, 1,963,182.12 and 806,631.82
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Solution
The fourth proportional to 1,311,751.06, 1,963,182.12 and 806,631.82 is: 1,207,214.70
Step by Step Solution
- Step 1: Write the proportion equation
1,311,751.06 : 1,963,182.12 = 806,631.82 : x - Step 2: Convert to fraction form
1,311,751.06/1,963,182.12 = 806,631.82/x - Step 3: Cross multiply
1,311,751.06x = 1,963,182.12 × 806,631.82 - Step 4: Simplify right side
1,311,751.06x = 1,583,565,158,514.23 - Step 5: Solve for x
x = 1,583,565,158,514.23/1,311,751.06 - Step 6: Final answer
x = 1,207,214.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.