Finding the Fourth Proportional to 1,246,874.83, 1,720,652.75 and 703,005.80
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Solution
The fourth proportional to 1,246,874.83, 1,720,652.75 and 703,005.80 is: 970,128.54
Step by Step Solution
- Step 1: Write the proportion equation
1,246,874.83 : 1,720,652.75 = 703,005.80 : x - Step 2: Convert to fraction form
1,246,874.83/1,720,652.75 = 703,005.80/x - Step 3: Cross multiply
1,246,874.83x = 1,720,652.75 × 703,005.80 - Step 4: Simplify right side
1,246,874.83x = 1,209,628,859,520.92 - Step 5: Solve for x
x = 1,209,628,859,520.92/1,246,874.83 - Step 6: Final answer
x = 970,128.54
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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.