Finding the Fourth Proportional to 1,424,330.64, 1,965,622.68 and 779,750.64
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Solution
The fourth proportional to 1,424,330.64, 1,965,622.68 and 779,750.64 is: 1,076,081.28
Step by Step Solution
- Step 1: Write the proportion equation
1,424,330.64 : 1,965,622.68 = 779,750.64 : x - Step 2: Convert to fraction form
1,424,330.64/1,965,622.68 = 779,750.64/x - Step 3: Cross multiply
1,424,330.64x = 1,965,622.68 × 779,750.64 - Step 4: Simplify right side
1,424,330.64x = 1,532,695,542,728.52 - Step 5: Solve for x
x = 1,532,695,542,728.52/1,424,330.64 - Step 6: Final answer
x = 1,076,081.28
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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.