Finding the Fourth Proportional to 1,336,420.42, 1,844,366.66 and 755,765.84
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Solution
The fourth proportional to 1,336,420.42, 1,844,366.66 and 755,765.84 is: 1,043,017.08
Step by Step Solution
- Step 1: Write the proportion equation
1,336,420.42 : 1,844,366.66 = 755,765.84 : x - Step 2: Convert to fraction form
1,336,420.42/1,844,366.66 = 755,765.84/x - Step 3: Cross multiply
1,336,420.42x = 1,844,366.66 × 755,765.84 - Step 4: Simplify right side
1,336,420.42x = 1,393,909,321,729.10 - Step 5: Solve for x
x = 1,393,909,321,729.10/1,336,420.42 - Step 6: Final answer
x = 1,043,017.08
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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.