Finding the Fourth Proportional to 1,201,342.44, 1,657,857.24 and 771,626.28
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Solution
The fourth proportional to 1,201,342.44, 1,657,857.24 and 771,626.28 is: 1,064,847.27
Step by Step Solution
- Step 1: Write the proportion equation
1,201,342.44 : 1,657,857.24 = 771,626.28 : x - Step 2: Convert to fraction form
1,201,342.44/1,657,857.24 = 771,626.28/x - Step 3: Cross multiply
1,201,342.44x = 1,657,857.24 × 771,626.28 - Step 4: Simplify right side
1,201,342.44x = 1,279,246,214,872.27 - Step 5: Solve for x
x = 1,279,246,214,872.27/1,201,342.44 - Step 6: Final answer
x = 1,064,847.27
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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.