Finding the Fourth Proportional to 1,098,216, 1,515,563.68 and 614,768.96
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Solution
The fourth proportional to 1,098,216, 1,515,563.68 and 614,768.96 is: 848,395.50
Step by Step Solution
- Step 1: Write the proportion equation
1,098,216 : 1,515,563.68 = 614,768.96 : x - Step 2: Convert to fraction form
1,098,216/1,515,563.68 = 614,768.96/x - Step 3: Cross multiply
1,098,216x = 1,515,563.68 × 614,768.96 - Step 4: Simplify right side
1,098,216x = 931,721,507,367.37 - Step 5: Solve for x
x = 931,721,507,367.37/1,098,216 - Step 6: Final answer
x = 848,395.50
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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.