Finding the Fourth Proportional to 1,407,768.84, 2,106,419.94 and 839,458.66
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Solution
The fourth proportional to 1,407,768.84, 2,106,419.94 and 839,458.66 is: 1,256,067.34
Step by Step Solution
- Step 1: Write the proportion equation
1,407,768.84 : 2,106,419.94 = 839,458.66 : x - Step 2: Convert to fraction form
1,407,768.84/2,106,419.94 = 839,458.66/x - Step 3: Cross multiply
1,407,768.84x = 2,106,419.94 × 839,458.66 - Step 4: Simplify right side
1,407,768.84x = 1,768,252,460,229.68 - Step 5: Solve for x
x = 1,768,252,460,229.68/1,407,768.84 - Step 6: Final answer
x = 1,256,067.34
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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.