Finding the Fourth Proportional to 1,409,768.68, 1,945,428.58 and 765,175.08
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Solution
The fourth proportional to 1,409,768.68, 1,945,428.58 and 765,175.08 is: 1,055,913.28
Step by Step Solution
- Step 1: Write the proportion equation
1,409,768.68 : 1,945,428.58 = 765,175.08 : x - Step 2: Convert to fraction form
1,409,768.68/1,945,428.58 = 765,175.08/x - Step 3: Cross multiply
1,409,768.68x = 1,945,428.58 × 765,175.08 - Step 4: Simplify right side
1,409,768.68x = 1,488,593,469,335.79 - Step 5: Solve for x
x = 1,488,593,469,335.79/1,409,768.68 - Step 6: Final answer
x = 1,055,913.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.