Finding the Fourth Proportional to 1,276,435.72, 1,761,446.58 and 703,475.68
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Solution
The fourth proportional to 1,276,435.72, 1,761,446.58 and 703,475.68 is: 970,777.31
Step by Step Solution
- Step 1: Write the proportion equation
1,276,435.72 : 1,761,446.58 = 703,475.68 : x - Step 2: Convert to fraction form
1,276,435.72/1,761,446.58 = 703,475.68/x - Step 3: Cross multiply
1,276,435.72x = 1,761,446.58 × 703,475.68 - Step 4: Simplify right side
1,276,435.72x = 1,239,134,830,649.17 - Step 5: Solve for x
x = 1,239,134,830,649.17/1,276,435.72 - Step 6: Final answer
x = 970,777.31
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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.