Finding the Fourth Proportional to 1,409,652.27, 1,945,338.80 and 765,080.19
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Solution
The fourth proportional to 1,409,652.27, 1,945,338.80 and 765,080.19 is: 1,055,820.79
Step by Step Solution
- Step 1: Write the proportion equation
1,409,652.27 : 1,945,338.80 = 765,080.19 : x - Step 2: Convert to fraction form
1,409,652.27/1,945,338.80 = 765,080.19/x - Step 3: Cross multiply
1,409,652.27x = 1,945,338.80 × 765,080.19 - Step 4: Simplify right side
1,409,652.27x = 1,488,340,174,892.97 - Step 5: Solve for x
x = 1,488,340,174,892.97/1,409,652.27 - Step 6: Final answer
x = 1,055,820.79
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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.