Finding the Fourth Proportional to 1,396,928.34, 1,928,287.77 and 816,339.99
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Solution
The fourth proportional to 1,396,928.34, 1,928,287.77 and 816,339.99 is: 1,126,856.96
Step by Step Solution
- Step 1: Write the proportion equation
1,396,928.34 : 1,928,287.77 = 816,339.99 : x - Step 2: Convert to fraction form
1,396,928.34/1,928,287.77 = 816,339.99/x - Step 3: Cross multiply
1,396,928.34x = 1,928,287.77 × 816,339.99 - Step 4: Simplify right side
1,396,928.34x = 1,574,138,418,878.92 - Step 5: Solve for x
x = 1,574,138,418,878.92/1,396,928.34 - Step 6: Final answer
x = 1,126,856.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.