Finding the Fourth Proportional to 1,299,742.58, 1,948,863.43 and 400,942.99
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Solution
The fourth proportional to 1,299,742.58, 1,948,863.43 and 400,942.99 is: 601,182.98
Step by Step Solution
- Step 1: Write the proportion equation
1,299,742.58 : 1,948,863.43 = 400,942.99 : x - Step 2: Convert to fraction form
1,299,742.58/1,948,863.43 = 400,942.99/x - Step 3: Cross multiply
1,299,742.58x = 1,948,863.43 × 400,942.99 - Step 4: Simplify right side
1,299,742.58x = 781,383,118,976.82 - Step 5: Solve for x
x = 781,383,118,976.82/1,299,742.58 - Step 6: Final answer
x = 601,182.98
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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.