Finding the Fourth Proportional to 1,137,215.77, 1,568,979.99 and 750,223.42
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Solution
The fourth proportional to 1,137,215.77, 1,568,979.99 and 750,223.42 is: 1,035,059.10
Step by Step Solution
- Step 1: Write the proportion equation
1,137,215.77 : 1,568,979.99 = 750,223.42 : x - Step 2: Convert to fraction form
1,137,215.77/1,568,979.99 = 750,223.42/x - Step 3: Cross multiply
1,137,215.77x = 1,568,979.99 × 750,223.42 - Step 4: Simplify right side
1,137,215.77x = 1,177,085,530,086.92 - Step 5: Solve for x
x = 1,177,085,530,086.92/1,137,215.77 - Step 6: Final answer
x = 1,035,059.10
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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.