Finding the Fourth Proportional to 1,314,639.24, 1,814,202.32 and 711,027.24
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Solution
The fourth proportional to 1,314,639.24, 1,814,202.32 and 711,027.24 is: 981,217.68
Step by Step Solution
- Step 1: Write the proportion equation
1,314,639.24 : 1,814,202.32 = 711,027.24 : x - Step 2: Convert to fraction form
1,314,639.24/1,814,202.32 = 711,027.24/x - Step 3: Cross multiply
1,314,639.24x = 1,814,202.32 × 711,027.24 - Step 4: Simplify right side
1,314,639.24x = 1,289,947,268,391.20 - Step 5: Solve for x
x = 1,289,947,268,391.20/1,314,639.24 - Step 6: Final answer
x = 981,217.68
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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.