Finding the Fourth Proportional to 1,370,822.99, 1,891,805.57 and 759,043.23
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Solution
The fourth proportional to 1,370,822.99, 1,891,805.57 and 759,043.23 is: 1,047,518.33
Step by Step Solution
- Step 1: Write the proportion equation
1,370,822.99 : 1,891,805.57 = 759,043.23 : x - Step 2: Convert to fraction form
1,370,822.99/1,891,805.57 = 759,043.23/x - Step 3: Cross multiply
1,370,822.99x = 1,891,805.57 × 759,043.23 - Step 4: Simplify right side
1,370,822.99x = 1,435,962,211,932.04 - Step 5: Solve for x
x = 1,435,962,211,932.04/1,370,822.99 - Step 6: Final answer
x = 1,047,518.33
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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.