Finding the Fourth Proportional to 1,322,542.99, 1,984,376.12 and 722,803.50
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Solution
The fourth proportional to 1,322,542.99, 1,984,376.12 and 722,803.50 is: 1,084,512.20
Step by Step Solution
- Step 1: Write the proportion equation
1,322,542.99 : 1,984,376.12 = 722,803.50 : x - Step 2: Convert to fraction form
1,322,542.99/1,984,376.12 = 722,803.50/x - Step 3: Cross multiply
1,322,542.99x = 1,984,376.12 × 722,803.50 - Step 4: Simplify right side
1,322,542.99x = 1,434,314,005,304.17 - Step 5: Solve for x
x = 1,434,314,005,304.17/1,322,542.99 - Step 6: Final answer
x = 1,084,512.20
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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.