Finding the Fourth Proportional to 1,323,697.70, 1,986,106.53 and 723,958.70
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Solution
The fourth proportional to 1,323,697.70, 1,986,106.53 and 723,958.70 is: 1,086,244.32
Step by Step Solution
- Step 1: Write the proportion equation
1,323,697.70 : 1,986,106.53 = 723,958.70 : x - Step 2: Convert to fraction form
1,323,697.70/1,986,106.53 = 723,958.70/x - Step 3: Cross multiply
1,323,697.70x = 1,986,106.53 × 723,958.70 - Step 4: Simplify right side
1,323,697.70x = 1,437,859,101,520.31 - Step 5: Solve for x
x = 1,437,859,101,520.31/1,323,697.70 - Step 6: Final answer
x = 1,086,244.32
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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.