Finding the Fourth Proportional to 1,263,848.10, 1,744,110.81 and 690,888.12
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Solution
The fourth proportional to 1,263,848.10, 1,744,110.81 and 690,888.12 is: 953,425.84
Step by Step Solution
- Step 1: Write the proportion equation
1,263,848.10 : 1,744,110.81 = 690,888.12 : x - Step 2: Convert to fraction form
1,263,848.10/1,744,110.81 = 690,888.12/x - Step 3: Cross multiply
1,263,848.10x = 1,744,110.81 × 690,888.12 - Step 4: Simplify right side
1,263,848.10x = 1,204,985,438,592.58 - Step 5: Solve for x
x = 1,204,985,438,592.58/1,263,848.10 - Step 6: Final answer
x = 953,425.84
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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.