Finding the Fourth Proportional to 1,471,295.28, 2,030,322.68 and 859,504.72
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Solution
The fourth proportional to 1,471,295.28, 2,030,322.68 and 859,504.72 is: 1,186,078.65
Step by Step Solution
- Step 1: Write the proportion equation
1,471,295.28 : 2,030,322.68 = 859,504.72 : x - Step 2: Convert to fraction form
1,471,295.28/2,030,322.68 = 859,504.72/x - Step 3: Cross multiply
1,471,295.28x = 2,030,322.68 × 859,504.72 - Step 4: Simplify right side
1,471,295.28x = 1,745,071,926,583.05 - Step 5: Solve for x
x = 1,745,071,926,583.05/1,471,295.28 - Step 6: Final answer
x = 1,186,078.65
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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.