Finding the Fourth Proportional to 1,288,850.99, 1,778,379.84 and 744,787.35
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Solution
The fourth proportional to 1,288,850.99, 1,778,379.84 and 744,787.35 is: 1,027,671.02
Step by Step Solution
- Step 1: Write the proportion equation
1,288,850.99 : 1,778,379.84 = 744,787.35 : x - Step 2: Convert to fraction form
1,288,850.99/1,778,379.84 = 744,787.35/x - Step 3: Cross multiply
1,288,850.99x = 1,778,379.84 × 744,787.35 - Step 4: Simplify right side
1,288,850.99x = 1,324,514,808,327.02 - Step 5: Solve for x
x = 1,324,514,808,327.02/1,288,850.99 - Step 6: Final answer
x = 1,027,671.02
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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.