Finding the Fourth Proportional to 1,276,069.49, 1,761,099.99 and 953,219.09
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Solution
The fourth proportional to 1,276,069.49, 1,761,099.99 and 953,219.09 is: 1,315,535.03
Step by Step Solution
- Step 1: Write the proportion equation
1,276,069.49 : 1,761,099.99 = 953,219.09 : x - Step 2: Convert to fraction form
1,276,069.49/1,761,099.99 = 953,219.09/x - Step 3: Cross multiply
1,276,069.49x = 1,761,099.99 × 953,219.09 - Step 4: Simplify right side
1,276,069.49x = 1,678,714,126,150.66 - Step 5: Solve for x
x = 1,678,714,126,150.66/1,276,069.49 - Step 6: Final answer
x = 1,315,535.03
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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.