Finding the Fourth Proportional to 1,311,927.63, 1,963,447.57 and 806,808.99
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Solution
The fourth proportional to 1,311,927.63, 1,963,447.57 and 806,808.99 is: 1,207,480.59
Step by Step Solution
- Step 1: Write the proportion equation
1,311,927.63 : 1,963,447.57 = 806,808.99 : x - Step 2: Convert to fraction form
1,311,927.63/1,963,447.57 = 806,808.99/x - Step 3: Cross multiply
1,311,927.63x = 1,963,447.57 × 806,808.99 - Step 4: Simplify right side
1,311,927.63x = 1,584,127,150,869.65 - Step 5: Solve for x
x = 1,584,127,150,869.65/1,311,927.63 - Step 6: Final answer
x = 1,207,480.59
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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.