Finding the Fourth Proportional to 1,124,201.13, 1,550,961.87 and 716,229.93
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Solution
The fourth proportional to 1,124,201.13, 1,550,961.87 and 716,229.93 is: 988,119.73
Step by Step Solution
- Step 1: Write the proportion equation
1,124,201.13 : 1,550,961.87 = 716,229.93 : x - Step 2: Convert to fraction form
1,124,201.13/1,550,961.87 = 716,229.93/x - Step 3: Cross multiply
1,124,201.13x = 1,550,961.87 × 716,229.93 - Step 4: Simplify right side
1,124,201.13x = 1,110,845,311,582.77 - Step 5: Solve for x
x = 1,110,845,311,582.77/1,124,201.13 - Step 6: Final answer
x = 988,119.73
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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.