Finding the Fourth Proportional to 1,409,706.56, 1,945,396.97 and 765,126.84
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Solution
The fourth proportional to 1,409,706.56, 1,945,396.97 and 765,126.84 is: 1,055,876.08
Step by Step Solution
- Step 1: Write the proportion equation
1,409,706.56 : 1,945,396.97 = 765,126.84 : x - Step 2: Convert to fraction form
1,409,706.56/1,945,396.97 = 765,126.84/x - Step 3: Cross multiply
1,409,706.56x = 1,945,396.97 × 765,126.84 - Step 4: Simplify right side
1,409,706.56x = 1,488,475,436,201.67 - Step 5: Solve for x
x = 1,488,475,436,201.67/1,409,706.56 - Step 6: Final answer
x = 1,055,876.08
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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.