Finding the Fourth Proportional to 1,217,539.94, 1,680,880.84 and 734,227.52
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Solution
The fourth proportional to 1,217,539.94, 1,680,880.84 and 734,227.52 is: 1,013,641.47
Step by Step Solution
- Step 1: Write the proportion equation
1,217,539.94 : 1,680,880.84 = 734,227.52 : x - Step 2: Convert to fraction form
1,217,539.94/1,680,880.84 = 734,227.52/x - Step 3: Cross multiply
1,217,539.94x = 1,680,880.84 × 734,227.52 - Step 4: Simplify right side
1,217,539.94x = 1,234,148,970,568.72 - Step 5: Solve for x
x = 1,234,148,970,568.72/1,217,539.94 - Step 6: Final answer
x = 1,013,641.47
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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.