Finding the Fourth Proportional to 1,352,661.44, 2,028,091.72 and 811,699.68
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Solution
The fourth proportional to 1,352,661.44, 2,028,091.72 and 811,699.68 is: 1,217,009.19
Step by Step Solution
- Step 1: Write the proportion equation
1,352,661.44 : 2,028,091.72 = 811,699.68 : x - Step 2: Convert to fraction form
1,352,661.44/2,028,091.72 = 811,699.68/x - Step 3: Cross multiply
1,352,661.44x = 2,028,091.72 × 811,699.68 - Step 4: Simplify right side
1,352,661.44x = 1,646,201,400,134.65 - Step 5: Solve for x
x = 1,646,201,400,134.65/1,352,661.44 - Step 6: Final answer
x = 1,217,009.19
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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.