Finding the Fourth Proportional to 1,264,278.11, 1,744,367.41 and 720,402.31
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Solution
The fourth proportional to 1,264,278.11, 1,744,367.41 and 720,402.31 is: 993,963.50
Step by Step Solution
- Step 1: Write the proportion equation
1,264,278.11 : 1,744,367.41 = 720,402.31 : x - Step 2: Convert to fraction form
1,264,278.11/1,744,367.41 = 720,402.31/x - Step 3: Cross multiply
1,264,278.11x = 1,744,367.41 × 720,402.31 - Step 4: Simplify right side
1,264,278.11x = 1,256,646,299,328.87 - Step 5: Solve for x
x = 1,256,646,299,328.87/1,264,278.11 - Step 6: Final answer
x = 993,963.50
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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.