Finding the Fourth Proportional to 1,012,821.60, 1,519,462.80 and 591,880.80
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Solution
The fourth proportional to 1,012,821.60, 1,519,462.80 and 591,880.80 is: 887,955.84
Step by Step Solution
- Step 1: Write the proportion equation
1,012,821.60 : 1,519,462.80 = 591,880.80 : x - Step 2: Convert to fraction form
1,012,821.60/1,519,462.80 = 591,880.80/x - Step 3: Cross multiply
1,012,821.60x = 1,519,462.80 × 591,880.80 - Step 4: Simplify right side
1,012,821.60x = 899,340,857,634.24 - Step 5: Solve for x
x = 899,340,857,634.24/1,012,821.60 - Step 6: Final answer
x = 887,955.84
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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.