Finding the Fourth Proportional to 1,275,949.14, 1,760,808.84 and 702,989.30
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Solution
The fourth proportional to 1,275,949.14, 1,760,808.84 and 702,989.30 is: 970,124.70
Step by Step Solution
- Step 1: Write the proportion equation
1,275,949.14 : 1,760,808.84 = 702,989.30 : x - Step 2: Convert to fraction form
1,275,949.14/1,760,808.84 = 702,989.30/x - Step 3: Cross multiply
1,275,949.14x = 1,760,808.84 × 702,989.30 - Step 4: Simplify right side
1,275,949.14x = 1,237,829,773,865.41 - Step 5: Solve for x
x = 1,237,829,773,865.41/1,275,949.14 - Step 6: Final answer
x = 970,124.70
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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.