Finding the Fourth Proportional to 1,343,648.36, 2,015,756.84 and 445,039.20
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Solution
The fourth proportional to 1,343,648.36, 2,015,756.84 and 445,039.20 is: 667,652.96
Step by Step Solution
- Step 1: Write the proportion equation
1,343,648.36 : 2,015,756.84 = 445,039.20 : x - Step 2: Convert to fraction form
1,343,648.36/2,015,756.84 = 445,039.20/x - Step 3: Cross multiply
1,343,648.36x = 2,015,756.84 × 445,039.20 - Step 4: Simplify right side
1,343,648.36x = 897,090,811,468.13 - Step 5: Solve for x
x = 897,090,811,468.13/1,343,648.36 - Step 6: Final answer
x = 667,652.96
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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.