Finding the Fourth Proportional to 1,313,783.40, 1,971,452.70 and 865,799.40
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Solution
The fourth proportional to 1,313,783.40, 1,971,452.70 and 865,799.40 is: 1,299,211.55
Step by Step Solution
- Step 1: Write the proportion equation
1,313,783.40 : 1,971,452.70 = 865,799.40 : x - Step 2: Convert to fraction form
1,313,783.40/1,971,452.70 = 865,799.40/x - Step 3: Cross multiply
1,313,783.40x = 1,971,452.70 × 865,799.40 - Step 4: Simplify right side
1,313,783.40x = 1,706,882,564,788.38 - Step 5: Solve for x
x = 1,706,882,564,788.38/1,313,783.40 - Step 6: Final answer
x = 1,299,211.55
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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.