Finding the Fourth Proportional to 1,215,309.48, 1,823,353.68 and 850,950.60
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Solution
The fourth proportional to 1,215,309.48, 1,823,353.68 and 850,950.60 is: 1,276,698.60
Step by Step Solution
- Step 1: Write the proportion equation
1,215,309.48 : 1,823,353.68 = 850,950.60 : x - Step 2: Convert to fraction form
1,215,309.48/1,823,353.68 = 850,950.60/x - Step 3: Cross multiply
1,215,309.48x = 1,823,353.68 × 850,950.60 - Step 4: Simplify right side
1,215,309.48x = 1,551,583,908,008.21 - Step 5: Solve for x
x = 1,551,583,908,008.21/1,215,309.48 - Step 6: Final answer
x = 1,276,698.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.