Finding the Fourth Proportional to 1,253,048.70, 1,879,573.05 and 722,207.10
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Solution
The fourth proportional to 1,253,048.70, 1,879,573.05 and 722,207.10 is: 1,083,310.65
Step by Step Solution
- Step 1: Write the proportion equation
1,253,048.70 : 1,879,573.05 = 722,207.10 : x - Step 2: Convert to fraction form
1,253,048.70/1,879,573.05 = 722,207.10/x - Step 3: Cross multiply
1,253,048.70x = 1,879,573.05 × 722,207.10 - Step 4: Simplify right side
1,253,048.70x = 1,357,441,001,678.66 - Step 5: Solve for x
x = 1,357,441,001,678.66/1,253,048.70 - Step 6: Final answer
x = 1,083,310.65
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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.