Finding the Fourth Proportional to 1,126,243.24, 1,689,350.74 and 273,321.96
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Solution
The fourth proportional to 1,126,243.24, 1,689,350.74 and 273,321.96 is: 409,979.51
Step by Step Solution
- Step 1: Write the proportion equation
1,126,243.24 : 1,689,350.74 = 273,321.96 : x - Step 2: Convert to fraction form
1,126,243.24/1,689,350.74 = 273,321.96/x - Step 3: Cross multiply
1,126,243.24x = 1,689,350.74 × 273,321.96 - Step 4: Simplify right side
1,126,243.24x = 461,736,655,384.25 - Step 5: Solve for x
x = 461,736,655,384.25/1,126,243.24 - Step 6: Final answer
x = 409,979.51
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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.