Finding the Fourth Proportional to 1,313,951.40, 1,971,704.70 and 865,967.40
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Solution
The fourth proportional to 1,313,951.40, 1,971,704.70 and 865,967.40 is: 1,299,463.58
Step by Step Solution
- Step 1: Write the proportion equation
1,313,951.40 : 1,971,704.70 = 865,967.40 : x - Step 2: Convert to fraction form
1,313,951.40/1,971,704.70 = 865,967.40/x - Step 3: Cross multiply
1,313,951.40x = 1,971,704.70 × 865,967.40 - Step 4: Simplify right side
1,313,951.40x = 1,707,431,992,626.78 - Step 5: Solve for x
x = 1,707,431,992,626.78/1,313,951.40 - Step 6: Final answer
x = 1,299,463.58
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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.