Finding the Fourth Proportional to 1,315,716.84, 1,815,724.62 and 799,295.04
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Solution
The fourth proportional to 1,315,716.84, 1,815,724.62 and 799,295.04 is: 1,103,048.65
Step by Step Solution
- Step 1: Write the proportion equation
1,315,716.84 : 1,815,724.62 = 799,295.04 : x - Step 2: Convert to fraction form
1,315,716.84/1,815,724.62 = 799,295.04/x - Step 3: Cross multiply
1,315,716.84x = 1,815,724.62 × 799,295.04 - Step 4: Simplify right side
1,315,716.84x = 1,451,299,682,771.89 - Step 5: Solve for x
x = 1,451,299,682,771.89/1,315,716.84 - Step 6: Final answer
x = 1,103,048.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.