Finding the Fourth Proportional to 1,409,736.60, 1,945,384.36 and 765,142.97
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Solution
The fourth proportional to 1,409,736.60, 1,945,384.36 and 765,142.97 is: 1,055,868.99
Step by Step Solution
- Step 1: Write the proportion equation
1,409,736.60 : 1,945,384.36 = 765,142.97 : x - Step 2: Convert to fraction form
1,409,736.60/1,945,384.36 = 765,142.97/x - Step 3: Cross multiply
1,409,736.60x = 1,945,384.36 × 765,142.97 - Step 4: Simplify right side
1,409,736.60x = 1,488,497,155,362.17 - Step 5: Solve for x
x = 1,488,497,155,362.17/1,409,736.60 - Step 6: Final answer
x = 1,055,868.99
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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.