Finding the Fourth Proportional to 1,133,439.60, 1,698,604.20 and 923,487.60
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Solution
The fourth proportional to 1,133,439.60, 1,698,604.20 and 923,487.60 is: 1,383,964.28
Step by Step Solution
- Step 1: Write the proportion equation
1,133,439.60 : 1,698,604.20 = 923,487.60 : x - Step 2: Convert to fraction form
1,133,439.60/1,698,604.20 = 923,487.60/x - Step 3: Cross multiply
1,133,439.60x = 1,698,604.20 × 923,487.60 - Step 4: Simplify right side
1,133,439.60x = 1,568,639,916,007.92 - Step 5: Solve for x
x = 1,568,639,916,007.92/1,133,439.60 - Step 6: Final answer
x = 1,383,964.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.