Finding the Fourth Proportional to 1,274,491.08, 1,911,175.72 and 675,314.13
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Solution
The fourth proportional to 1,274,491.08, 1,911,175.72 and 675,314.13 is: 1,012,673.99
Step by Step Solution
- Step 1: Write the proportion equation
1,274,491.08 : 1,911,175.72 = 675,314.13 : x - Step 2: Convert to fraction form
1,274,491.08/1,911,175.72 = 675,314.13/x - Step 3: Cross multiply
1,274,491.08x = 1,911,175.72 × 675,314.13 - Step 4: Simplify right side
1,274,491.08x = 1,290,643,968,628.92 - Step 5: Solve for x
x = 1,290,643,968,628.92/1,274,491.08 - Step 6: Final answer
x = 1,012,673.99
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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.