Finding the Fourth Proportional to 1,313,161.74, 1,969,170.57 and 697,531.02
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Solution
The fourth proportional to 1,313,161.74, 1,969,170.57 and 697,531.02 is: 1,045,992.67
Step by Step Solution
- Step 1: Write the proportion equation
1,313,161.74 : 1,969,170.57 = 697,531.02 : x - Step 2: Convert to fraction form
1,313,161.74/1,969,170.57 = 697,531.02/x - Step 3: Cross multiply
1,313,161.74x = 1,969,170.57 × 697,531.02 - Step 4: Simplify right side
1,313,161.74x = 1,373,557,556,246.08 - Step 5: Solve for x
x = 1,373,557,556,246.08/1,313,161.74 - Step 6: Final answer
x = 1,045,992.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.