Finding the Fourth Proportional to 1,287,402.52, 1,932,374.99 and 966,438.40
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Solution
The fourth proportional to 1,287,402.52, 1,932,374.99 and 966,438.40 is: 1,450,611.88
Step by Step Solution
- Step 1: Write the proportion equation
1,287,402.52 : 1,932,374.99 = 966,438.40 : x - Step 2: Convert to fraction form
1,287,402.52/1,932,374.99 = 966,438.40/x - Step 3: Cross multiply
1,287,402.52x = 1,932,374.99 × 966,438.40 - Step 4: Simplify right side
1,287,402.52x = 1,867,521,393,535.62 - Step 5: Solve for x
x = 1,867,521,393,535.62/1,287,402.52 - Step 6: Final answer
x = 1,450,611.88
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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.