Finding the Fourth Proportional to 1,313,289.07, 1,812,620.70 and 829,546.54
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Solution
The fourth proportional to 1,313,289.07, 1,812,620.70 and 829,546.54 is: 1,144,952.21
Step by Step Solution
- Step 1: Write the proportion equation
1,313,289.07 : 1,812,620.70 = 829,546.54 : x - Step 2: Convert to fraction form
1,313,289.07/1,812,620.70 = 829,546.54/x - Step 3: Cross multiply
1,313,289.07x = 1,812,620.70 × 829,546.54 - Step 4: Simplify right side
1,313,289.07x = 1,503,653,225,485.83 - Step 5: Solve for x
x = 1,503,653,225,485.83/1,313,289.07 - Step 6: Final answer
x = 1,144,952.21
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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.