Finding the Fourth Proportional to 1,096,897.28, 1,645,178.99 and 422,880.21
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Solution
The fourth proportional to 1,096,897.28, 1,645,178.99 and 422,880.21 is: 634,255.96
Step by Step Solution
- Step 1: Write the proportion equation
1,096,897.28 : 1,645,178.99 = 422,880.21 : x - Step 2: Convert to fraction form
1,096,897.28/1,645,178.99 = 422,880.21/x - Step 3: Cross multiply
1,096,897.28x = 1,645,178.99 × 422,880.21 - Step 4: Simplify right side
1,096,897.28x = 695,713,634,664.39 - Step 5: Solve for x
x = 695,713,634,664.39/1,096,897.28 - Step 6: Final answer
x = 634,255.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.