Finding the Fourth Proportional to 1,086,119.49, 1,630,371.09 and 862,914.69
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Solution
The fourth proportional to 1,086,119.49, 1,630,371.09 and 862,914.69 is: 1,295,318.96
Step by Step Solution
- Step 1: Write the proportion equation
1,086,119.49 : 1,630,371.09 = 862,914.69 : x - Step 2: Convert to fraction form
1,086,119.49/1,630,371.09 = 862,914.69/x - Step 3: Cross multiply
1,086,119.49x = 1,630,371.09 × 862,914.69 - Step 4: Simplify right side
1,086,119.49x = 1,406,871,163,712.31 - Step 5: Solve for x
x = 1,406,871,163,712.31/1,086,119.49 - Step 6: Final answer
x = 1,295,318.96
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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.