Finding the Fourth Proportional to 1,344,532.15, 2,015,272.79 and 839,318.75
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Solution
The fourth proportional to 1,344,532.15, 2,015,272.79 and 839,318.75 is: 1,258,025.88
Step by Step Solution
- Step 1: Write the proportion equation
1,344,532.15 : 2,015,272.79 = 839,318.75 : x - Step 2: Convert to fraction form
1,344,532.15/2,015,272.79 = 839,318.75/x - Step 3: Cross multiply
1,344,532.15x = 2,015,272.79 × 839,318.75 - Step 4: Simplify right side
1,344,532.15x = 1,691,456,239,011.81 - Step 5: Solve for x
x = 1,691,456,239,011.81/1,344,532.15 - Step 6: Final answer
x = 1,258,025.88
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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.