Finding the Fourth Proportional to 1,171,969.40, 1,617,466.92 and 655,752.44
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Solution
The fourth proportional to 1,171,969.40, 1,617,466.92 and 655,752.44 is: 905,021.82
Step by Step Solution
- Step 1: Write the proportion equation
1,171,969.40 : 1,617,466.92 = 655,752.44 : x - Step 2: Convert to fraction form
1,171,969.40/1,617,466.92 = 655,752.44/x - Step 3: Cross multiply
1,171,969.40x = 1,617,466.92 × 655,752.44 - Step 4: Simplify right side
1,171,969.40x = 1,060,657,879,409.28 - Step 5: Solve for x
x = 1,060,657,879,409.28/1,171,969.40 - Step 6: Final answer
x = 905,021.82
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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.