Finding the Fourth Proportional to 1,147,471.62, 1,721,263.62 and 437,367.30
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Solution
The fourth proportional to 1,147,471.62, 1,721,263.62 and 437,367.30 is: 656,072.37
Step by Step Solution
- Step 1: Write the proportion equation
1,147,471.62 : 1,721,263.62 = 437,367.30 : x - Step 2: Convert to fraction form
1,147,471.62/1,721,263.62 = 437,367.30/x - Step 3: Cross multiply
1,147,471.62x = 1,721,263.62 × 437,367.30 - Step 4: Simplify right side
1,147,471.62x = 752,824,422,067.63 - Step 5: Solve for x
x = 752,824,422,067.63/1,147,471.62 - Step 6: Final answer
x = 656,072.37
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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.