Finding the Fourth Proportional to 1,166,129.61, 1,608,709.05 and 682,398.06
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Solution
The fourth proportional to 1,166,129.61, 1,608,709.05 and 682,398.06 is: 941,387.58
Step by Step Solution
- Step 1: Write the proportion equation
1,166,129.61 : 1,608,709.05 = 682,398.06 : x - Step 2: Convert to fraction form
1,166,129.61/1,608,709.05 = 682,398.06/x - Step 3: Cross multiply
1,166,129.61x = 1,608,709.05 × 682,398.06 - Step 4: Simplify right side
1,166,129.61x = 1,097,779,934,824.44 - Step 5: Solve for x
x = 1,097,779,934,824.44/1,166,129.61 - Step 6: Final answer
x = 941,387.58
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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.