Finding the Fourth Proportional to 1,204,352.25, 1,662,188.18 and 688,214.79
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Solution
The fourth proportional to 1,204,352.25, 1,662,188.18 and 688,214.79 is: 949,840.46
Step by Step Solution
- Step 1: Write the proportion equation
1,204,352.25 : 1,662,188.18 = 688,214.79 : x - Step 2: Convert to fraction form
1,204,352.25/1,662,188.18 = 688,214.79/x - Step 3: Cross multiply
1,204,352.25x = 1,662,188.18 × 688,214.79 - Step 4: Simplify right side
1,204,352.25x = 1,143,942,489,239.18 - Step 5: Solve for x
x = 1,143,942,489,239.18/1,204,352.25 - Step 6: Final answer
x = 949,840.46
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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.