Finding the Fourth Proportional to 1,079,140.44, 1,488,982.78 and 626,188.44
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Solution
The fourth proportional to 1,079,140.44, 1,488,982.78 and 626,188.44 is: 864,005.99
Step by Step Solution
- Step 1: Write the proportion equation
1,079,140.44 : 1,488,982.78 = 626,188.44 : x - Step 2: Convert to fraction form
1,079,140.44/1,488,982.78 = 626,188.44/x - Step 3: Cross multiply
1,079,140.44x = 1,488,982.78 × 626,188.44 - Step 4: Simplify right side
1,079,140.44x = 932,383,804,195.06 - Step 5: Solve for x
x = 932,383,804,195.06/1,079,140.44 - Step 6: Final answer
x = 864,005.99
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1.5x scale
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.