Finding the Fourth Proportional to 1,024,221.12, 1,413,088.02 and 661,858.44
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Solution
The fourth proportional to 1,024,221.12, 1,413,088.02 and 661,858.44 is: 913,146.79
Step by Step Solution
- Step 1: Write the proportion equation
1,024,221.12 : 1,413,088.02 = 661,858.44 : x - Step 2: Convert to fraction form
1,024,221.12/1,413,088.02 = 661,858.44/x - Step 3: Cross multiply
1,024,221.12x = 1,413,088.02 × 661,858.44 - Step 4: Simplify right side
1,024,221.12x = 935,264,232,499.89 - Step 5: Solve for x
x = 935,264,232,499.89/1,024,221.12 - Step 6: Final answer
x = 913,146.79
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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.