Finding the Fourth Proportional to 1,260,331.10, 1,890,727.05 and 512,452.70
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Solution
The fourth proportional to 1,260,331.10, 1,890,727.05 and 512,452.70 is: 768,772.73
Step by Step Solution
- Step 1: Write the proportion equation
1,260,331.10 : 1,890,727.05 = 512,452.70 : x - Step 2: Convert to fraction form
1,260,331.10/1,890,727.05 = 512,452.70/x - Step 3: Cross multiply
1,260,331.10x = 1,890,727.05 × 512,452.70 - Step 4: Simplify right side
1,260,331.10x = 968,908,181,735.54 - Step 5: Solve for x
x = 968,908,181,735.54/1,260,331.10 - Step 6: Final answer
x = 768,772.73
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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.