Finding the Fourth Proportional to 1,465,923.80, 2,198,812.80 and 756,023.60
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Solution
The fourth proportional to 1,465,923.80, 2,198,812.80 and 756,023.60 is: 1,133,997.80
Step by Step Solution
- Step 1: Write the proportion equation
1,465,923.80 : 2,198,812.80 = 756,023.60 : x - Step 2: Convert to fraction form
1,465,923.80/2,198,812.80 = 756,023.60/x - Step 3: Cross multiply
1,465,923.80x = 2,198,812.80 × 756,023.60 - Step 4: Simplify right side
1,465,923.80x = 1,662,354,368,782.08 - Step 5: Solve for x
x = 1,662,354,368,782.08/1,465,923.80 - Step 6: Final answer
x = 1,133,997.80
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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.