Finding the Fourth Proportional to 1,108,747.68, 1,530,071.76 and 599,449.92
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Solution
The fourth proportional to 1,108,747.68, 1,530,071.76 and 599,449.92 is: 827,240.87
Step by Step Solution
- Step 1: Write the proportion equation
1,108,747.68 : 1,530,071.76 = 599,449.92 : x - Step 2: Convert to fraction form
1,108,747.68/1,530,071.76 = 599,449.92/x - Step 3: Cross multiply
1,108,747.68x = 1,530,071.76 × 599,449.92 - Step 4: Simplify right side
1,108,747.68x = 917,201,394,126.26 - Step 5: Solve for x
x = 917,201,394,126.26/1,108,747.68 - Step 6: Final answer
x = 827,240.87
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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.