Finding the Fourth Proportional to 1,203,217.74, 1,660,440.75 and 719,803.02
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Solution
The fourth proportional to 1,203,217.74, 1,660,440.75 and 719,803.02 is: 993,328.33
Step by Step Solution
- Step 1: Write the proportion equation
1,203,217.74 : 1,660,440.75 = 719,803.02 : x - Step 2: Convert to fraction form
1,203,217.74/1,660,440.75 = 719,803.02/x - Step 3: Cross multiply
1,203,217.74x = 1,660,440.75 × 719,803.02 - Step 4: Simplify right side
1,203,217.74x = 1,195,190,266,381.07 - Step 5: Solve for x
x = 1,195,190,266,381.07/1,203,217.74 - Step 6: Final answer
x = 993,328.33
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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.