Finding the Fourth Proportional to 1,232,454.05, 1,848,718.74 and 422,827.11
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Solution
The fourth proportional to 1,232,454.05, 1,848,718.74 and 422,827.11 is: 634,253.59
Step by Step Solution
- Step 1: Write the proportion equation
1,232,454.05 : 1,848,718.74 = 422,827.11 : x - Step 2: Convert to fraction form
1,232,454.05/1,848,718.74 = 422,827.11/x - Step 3: Cross multiply
1,232,454.05x = 1,848,718.74 × 422,827.11 - Step 4: Simplify right side
1,232,454.05x = 781,688,405,503.39 - Step 5: Solve for x
x = 781,688,405,503.39/1,232,454.05 - Step 6: Final answer
x = 634,253.59
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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.