Finding the Fourth Proportional to 1,442,253.60, 2,163,734.64 and 495,637.92
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Solution
The fourth proportional to 1,442,253.60, 2,163,734.64 and 495,637.92 is: 743,578.62
Step by Step Solution
- Step 1: Write the proportion equation
1,442,253.60 : 2,163,734.64 = 495,637.92 : x - Step 2: Convert to fraction form
1,442,253.60/2,163,734.64 = 495,637.92/x - Step 3: Cross multiply
1,442,253.60x = 2,163,734.64 × 495,637.92 - Step 4: Simplify right side
1,442,253.60x = 1,072,428,936,401.55 - Step 5: Solve for x
x = 1,072,428,936,401.55/1,442,253.60 - Step 6: Final answer
x = 743,578.62
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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.