Finding the Fourth Proportional to 1,276,070.28, 1,761,101.08 and 953,219.87
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Solution
The fourth proportional to 1,276,070.28, 1,761,101.08 and 953,219.87 is: 1,315,536.12
Step by Step Solution
- Step 1: Write the proportion equation
1,276,070.28 : 1,761,101.08 = 953,219.87 : x - Step 2: Convert to fraction form
1,276,070.28/1,761,101.08 = 953,219.87/x - Step 3: Cross multiply
1,276,070.28x = 1,761,101.08 × 953,219.87 - Step 4: Simplify right side
1,276,070.28x = 1,678,716,542,534.46 - Step 5: Solve for x
x = 1,678,716,542,534.46/1,276,070.28 - Step 6: Final answer
x = 1,315,536.12
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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.