Finding the Fourth Proportional to 1,294,197.80, 1,941,296.70 and 664,341.80
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Solution
The fourth proportional to 1,294,197.80, 1,941,296.70 and 664,341.80 is: 996,512.70
Step by Step Solution
- Step 1: Write the proportion equation
1,294,197.80 : 1,941,296.70 = 664,341.80 : x - Step 2: Convert to fraction form
1,294,197.80/1,941,296.70 = 664,341.80/x - Step 3: Cross multiply
1,294,197.80x = 1,941,296.70 × 664,341.80 - Step 4: Simplify right side
1,294,197.80x = 1,289,684,544,012.06 - Step 5: Solve for x
x = 1,289,684,544,012.06/1,294,197.80 - Step 6: Final answer
x = 996,512.70
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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.