Finding the Fourth Proportional to 1,195,800.84, 1,649,272.05 and 766,121.22
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Solution
The fourth proportional to 1,195,800.84, 1,649,272.05 and 766,121.22 is: 1,056,649.46
Step by Step Solution
- Step 1: Write the proportion equation
1,195,800.84 : 1,649,272.05 = 766,121.22 : x - Step 2: Convert to fraction form
1,195,800.84/1,649,272.05 = 766,121.22/x - Step 3: Cross multiply
1,195,800.84x = 1,649,272.05 × 766,121.22 - Step 4: Simplify right side
1,195,800.84x = 1,263,542,315,057.90 - Step 5: Solve for x
x = 1,263,542,315,057.90/1,195,800.84 - Step 6: Final answer
x = 1,056,649.46
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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.