Finding the Fourth Proportional to 1,162,790.48, 1,604,783.84 and 646,595.84
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Solution
The fourth proportional to 1,162,790.48, 1,604,783.84 and 646,595.84 is: 892,376.20
Step by Step Solution
- Step 1: Write the proportion equation
1,162,790.48 : 1,604,783.84 = 646,595.84 : x - Step 2: Convert to fraction form
1,162,790.48/1,604,783.84 = 646,595.84/x - Step 3: Cross multiply
1,162,790.48x = 1,604,783.84 × 646,595.84 - Step 4: Simplify right side
1,162,790.48x = 1,037,646,555,043.23 - Step 5: Solve for x
x = 1,037,646,555,043.23/1,162,790.48 - Step 6: Final answer
x = 892,376.20
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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.