Finding the Fourth Proportional to 1,412,899.26, 1,949,852.31 and 809,403.90
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Solution
The fourth proportional to 1,412,899.26, 1,949,852.31 and 809,403.90 is: 1,117,006.79
Step by Step Solution
- Step 1: Write the proportion equation
1,412,899.26 : 1,949,852.31 = 809,403.90 : x - Step 2: Convert to fraction form
1,412,899.26/1,949,852.31 = 809,403.90/x - Step 3: Cross multiply
1,412,899.26x = 1,949,852.31 × 809,403.90 - Step 4: Simplify right side
1,412,899.26x = 1,578,218,064,138.01 - Step 5: Solve for x
x = 1,578,218,064,138.01/1,412,899.26 - Step 6: Final answer
x = 1,117,006.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.