Finding the Fourth Proportional to 1,207,860.66, 1,811,743.70 and 409,142.21
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Solution
The fourth proportional to 1,207,860.66, 1,811,743.70 and 409,142.21 is: 613,697.29
Step by Step Solution
- Step 1: Write the proportion equation
1,207,860.66 : 1,811,743.70 = 409,142.21 : x - Step 2: Convert to fraction form
1,207,860.66/1,811,743.70 = 409,142.21/x - Step 3: Cross multiply
1,207,860.66x = 1,811,743.70 × 409,142.21 - Step 4: Simplify right side
1,207,860.66x = 741,260,813,335.71 - Step 5: Solve for x
x = 741,260,813,335.71/1,207,860.66 - Step 6: Final answer
x = 613,697.29
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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.