Finding the Fourth Proportional to 1,129,991.31, 1,694,990.21 and 277,066.98
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Solution
The fourth proportional to 1,129,991.31, 1,694,990.21 and 277,066.98 is: 415,601.26
Step by Step Solution
- Step 1: Write the proportion equation
1,129,991.31 : 1,694,990.21 = 277,066.98 : x - Step 2: Convert to fraction form
1,129,991.31/1,694,990.21 = 277,066.98/x - Step 3: Cross multiply
1,129,991.31x = 1,694,990.21 × 277,066.98 - Step 4: Simplify right side
1,129,991.31x = 469,625,817,228.93 - Step 5: Solve for x
x = 469,625,817,228.93/1,129,991.31 - Step 6: Final answer
x = 415,601.26
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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.