Finding the Fourth Proportional to 1,268,639.62, 1,902,756.83 and 369,871.21
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Solution
The fourth proportional to 1,268,639.62, 1,902,756.83 and 369,871.21 is: 554,747.75
Step by Step Solution
- Step 1: Write the proportion equation
1,268,639.62 : 1,902,756.83 = 369,871.21 : x - Step 2: Convert to fraction form
1,268,639.62/1,902,756.83 = 369,871.21/x - Step 3: Cross multiply
1,268,639.62x = 1,902,756.83 × 369,871.21 - Step 4: Simplify right side
1,268,639.62x = 703,774,971,576.95 - Step 5: Solve for x
x = 703,774,971,576.95/1,268,639.62 - Step 6: Final answer
x = 554,747.75
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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.