Finding the Fourth Proportional to 1,182,754.68, 1,632,202.05 and 638,890.44
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Solution
The fourth proportional to 1,182,754.68, 1,632,202.05 and 638,890.44 is: 881,669.12
Step by Step Solution
- Step 1: Write the proportion equation
1,182,754.68 : 1,632,202.05 = 638,890.44 : x - Step 2: Convert to fraction form
1,182,754.68/1,632,202.05 = 638,890.44/x - Step 3: Cross multiply
1,182,754.68x = 1,632,202.05 × 638,890.44 - Step 4: Simplify right side
1,182,754.68x = 1,042,798,277,732.39 - Step 5: Solve for x
x = 1,042,798,277,732.39/1,182,754.68 - Step 6: Final answer
x = 881,669.12
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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.