Finding the Fourth Proportional to 1,308,764.28, 1,963,170.99 and 410,186.10
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Solution
The fourth proportional to 1,308,764.28, 1,963,170.99 and 410,186.10 is: 615,286.85
Step by Step Solution
- Step 1: Write the proportion equation
1,308,764.28 : 1,963,170.99 = 410,186.10 : x - Step 2: Convert to fraction form
1,308,764.28/1,963,170.99 = 410,186.10/x - Step 3: Cross multiply
1,308,764.28x = 1,963,170.99 × 410,186.10 - Step 4: Simplify right side
1,308,764.28x = 805,265,452,021.24 - Step 5: Solve for x
x = 805,265,452,021.24/1,308,764.28 - Step 6: Final answer
x = 615,286.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.