Finding the Fourth Proportional to 1,412,014.05, 1,948,579.74 and 767,434.41
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Solution
The fourth proportional to 1,412,014.05, 1,948,579.74 and 767,434.41 is: 1,059,059.68
Step by Step Solution
- Step 1: Write the proportion equation
1,412,014.05 : 1,948,579.74 = 767,434.41 : x - Step 2: Convert to fraction form
1,412,014.05/1,948,579.74 = 767,434.41/x - Step 3: Cross multiply
1,412,014.05x = 1,948,579.74 × 767,434.41 - Step 4: Simplify right side
1,412,014.05x = 1,495,407,143,104.85 - Step 5: Solve for x
x = 1,495,407,143,104.85/1,412,014.05 - Step 6: Final answer
x = 1,059,059.68
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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.