Finding the Fourth Proportional to 1,131,130.94, 1,560,949.60 and 614,854.12
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Solution
The fourth proportional to 1,131,130.94, 1,560,949.60 and 614,854.12 is: 848,492.65
Step by Step Solution
- Step 1: Write the proportion equation
1,131,130.94 : 1,560,949.60 = 614,854.12 : x - Step 2: Convert to fraction form
1,131,130.94/1,560,949.60 = 614,854.12/x - Step 3: Cross multiply
1,131,130.94x = 1,560,949.60 × 614,854.12 - Step 4: Simplify right side
1,131,130.94x = 959,756,291,212.83 - Step 5: Solve for x
x = 959,756,291,212.83/1,131,130.94 - Step 6: Final answer
x = 848,492.65
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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.