Finding the Fourth Proportional to 1,202,915.79, 1,660,023.75 and 659,072.17
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Solution
The fourth proportional to 1,202,915.79, 1,660,023.75 and 659,072.17 is: 909,519.58
Step by Step Solution
- Step 1: Write the proportion equation
1,202,915.79 : 1,660,023.75 = 659,072.17 : x - Step 2: Convert to fraction form
1,202,915.79/1,660,023.75 = 659,072.17/x - Step 3: Cross multiply
1,202,915.79x = 1,660,023.75 × 659,072.17 - Step 4: Simplify right side
1,202,915.79x = 1,094,075,459,710.59 - Step 5: Solve for x
x = 1,094,075,459,710.59/1,202,915.79 - Step 6: Final answer
x = 909,519.58
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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.