Finding the Fourth Proportional to 1,102,918.31, 1,522,073.03 and 612,885.99
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Solution
The fourth proportional to 1,102,918.31, 1,522,073.03 and 612,885.99 is: 845,808.10
Step by Step Solution
- Step 1: Write the proportion equation
1,102,918.31 : 1,522,073.03 = 612,885.99 : x - Step 2: Convert to fraction form
1,102,918.31/1,522,073.03 = 612,885.99/x - Step 3: Cross multiply
1,102,918.31x = 1,522,073.03 × 612,885.99 - Step 4: Simplify right side
1,102,918.31x = 932,857,238,487.19 - Step 5: Solve for x
x = 932,857,238,487.19/1,102,918.31 - Step 6: Final answer
x = 845,808.10
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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.