Finding the Fourth Proportional to 1,349,472.40, 2,023,884.60 and 779,621.20
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Solution
The fourth proportional to 1,349,472.40, 2,023,884.60 and 779,621.20 is: 1,169,244.62
Step by Step Solution
- Step 1: Write the proportion equation
1,349,472.40 : 2,023,884.60 = 779,621.20 : x - Step 2: Convert to fraction form
1,349,472.40/2,023,884.60 = 779,621.20/x - Step 3: Cross multiply
1,349,472.40x = 2,023,884.60 × 779,621.20 - Step 4: Simplify right side
1,349,472.40x = 1,577,863,340,513.52 - Step 5: Solve for x
x = 1,577,863,340,513.52/1,349,472.40 - Step 6: Final answer
x = 1,169,244.62
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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.