Finding the Fourth Proportional to 1,432,240.97, 1,976,453.07 and 787,661.15
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Solution
The fourth proportional to 1,432,240.97, 1,976,453.07 and 787,661.15 is: 1,086,950.68
Step by Step Solution
- Step 1: Write the proportion equation
1,432,240.97 : 1,976,453.07 = 787,661.15 : x - Step 2: Convert to fraction form
1,432,240.97/1,976,453.07 = 787,661.15/x - Step 3: Cross multiply
1,432,240.97x = 1,976,453.07 × 787,661.15 - Step 4: Simplify right side
1,432,240.97x = 1,556,775,298,037.23 - Step 5: Solve for x
x = 1,556,775,298,037.23/1,432,240.97 - Step 6: Final answer
x = 1,086,950.68
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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.