Finding the Fourth Proportional to 1,348,639.92, 1,861,048.44 and 775,689.66
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Solution
The fourth proportional to 1,348,639.92, 1,861,048.44 and 775,689.66 is: 1,070,408.80
Step by Step Solution
- Step 1: Write the proportion equation
1,348,639.92 : 1,861,048.44 = 775,689.66 : x - Step 2: Convert to fraction form
1,348,639.92/1,861,048.44 = 775,689.66/x - Step 3: Cross multiply
1,348,639.92x = 1,861,048.44 × 775,689.66 - Step 4: Simplify right side
1,348,639.92x = 1,443,596,031,667.13 - Step 5: Solve for x
x = 1,443,596,031,667.13/1,348,639.92 - Step 6: Final answer
x = 1,070,408.80
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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.