Finding the Fourth Proportional to 1,131,406.64, 1,697,284.68 and 704,615.84
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Solution
The fourth proportional to 1,131,406.64, 1,697,284.68 and 704,615.84 is: 1,057,032.57
Step by Step Solution
- Step 1: Write the proportion equation
1,131,406.64 : 1,697,284.68 = 704,615.84 : x - Step 2: Convert to fraction form
1,131,406.64/1,697,284.68 = 704,615.84/x - Step 3: Cross multiply
1,131,406.64x = 1,697,284.68 × 704,615.84 - Step 4: Simplify right side
1,131,406.64x = 1,195,933,670,517.33 - Step 5: Solve for x
x = 1,195,933,670,517.33/1,131,406.64 - Step 6: Final answer
x = 1,057,032.57
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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.