Finding the Fourth Proportional to 1,156,622.20, 1,596,138.42 and 647,324.58
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Solution
The fourth proportional to 1,156,622.20, 1,596,138.42 and 647,324.58 is: 893,307.80
Step by Step Solution
- Step 1: Write the proportion equation
1,156,622.20 : 1,596,138.42 = 647,324.58 : x - Step 2: Convert to fraction form
1,156,622.20/1,596,138.42 = 647,324.58/x - Step 3: Cross multiply
1,156,622.20x = 1,596,138.42 × 647,324.58 - Step 4: Simplify right side
1,156,622.20x = 1,033,219,632,348.36 - Step 5: Solve for x
x = 1,033,219,632,348.36/1,156,622.20 - Step 6: Final answer
x = 893,307.80
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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.