Finding the Fourth Proportional to 1,362,708.87, 2,043,440.42 and 509,154.48
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Solution
The fourth proportional to 1,362,708.87, 2,043,440.42 and 509,154.48 is: 763,498.99
Step by Step Solution
- Step 1: Write the proportion equation
1,362,708.87 : 2,043,440.42 = 509,154.48 : x - Step 2: Convert to fraction form
1,362,708.87/2,043,440.42 = 509,154.48/x - Step 3: Cross multiply
1,362,708.87x = 2,043,440.42 × 509,154.48 - Step 4: Simplify right side
1,362,708.87x = 1,040,426,841,910.31 - Step 5: Solve for x
x = 1,040,426,841,910.31/1,362,708.87 - Step 6: Final answer
x = 763,498.99
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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.