Finding the Fourth Proportional to 1,373,455.80, 2,060,183.70 and 626,959.80
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Solution
The fourth proportional to 1,373,455.80, 2,060,183.70 and 626,959.80 is: 940,439.70
Step by Step Solution
- Step 1: Write the proportion equation
1,373,455.80 : 2,060,183.70 = 626,959.80 : x - Step 2: Convert to fraction form
1,373,455.80/2,060,183.70 = 626,959.80/x - Step 3: Cross multiply
1,373,455.80x = 2,060,183.70 × 626,959.80 - Step 4: Simplify right side
1,373,455.80x = 1,291,652,360,515.26 - Step 5: Solve for x
x = 1,291,652,360,515.26/1,373,455.80 - Step 6: Final answer
x = 940,439.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.