Finding the Fourth Proportional to 1,186,410.14, 1,637,246.98 and 642,546.98
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Solution
The fourth proportional to 1,186,410.14, 1,637,246.98 and 642,546.98 is: 886,715.36
Step by Step Solution
- Step 1: Write the proportion equation
1,186,410.14 : 1,637,246.98 = 642,546.98 : x - Step 2: Convert to fraction form
1,186,410.14/1,637,246.98 = 642,546.98/x - Step 3: Cross multiply
1,186,410.14x = 1,637,246.98 × 642,546.98 - Step 4: Simplify right side
1,186,410.14x = 1,052,008,097,655.42 - Step 5: Solve for x
x = 1,052,008,097,655.42/1,186,410.14 - Step 6: Final answer
x = 886,715.36
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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.