Finding the Fourth Proportional to 1,240,141.87, 1,711,582.76 and 756,987.09
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Solution
The fourth proportional to 1,240,141.87, 1,711,582.76 and 756,987.09 is: 1,044,756.32
Step by Step Solution
- Step 1: Write the proportion equation
1,240,141.87 : 1,711,582.76 = 756,987.09 : x - Step 2: Convert to fraction form
1,240,141.87/1,711,582.76 = 756,987.09/x - Step 3: Cross multiply
1,240,141.87x = 1,711,582.76 × 756,987.09 - Step 4: Simplify right side
1,240,141.87x = 1,295,646,052,786.57 - Step 5: Solve for x
x = 1,295,646,052,786.57/1,240,141.87 - Step 6: Final answer
x = 1,044,756.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.