Finding the Fourth Proportional to 1,311,710.42, 1,963,121.58 and 806,591.36
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Solution
The fourth proportional to 1,311,710.42, 1,963,121.58 and 806,591.36 is: 1,207,154.32
Step by Step Solution
- Step 1: Write the proportion equation
1,311,710.42 : 1,963,121.58 = 806,591.36 : x - Step 2: Convert to fraction form
1,311,710.42/1,963,121.58 = 806,591.36/x - Step 3: Cross multiply
1,311,710.42x = 1,963,121.58 × 806,591.36 - Step 4: Simplify right side
1,311,710.42x = 1,583,436,895,241.94 - Step 5: Solve for x
x = 1,583,436,895,241.94/1,311,710.42 - Step 6: Final answer
x = 1,207,154.32
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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.