Finding the Fourth Proportional to 1,079,394.09, 1,489,587.06 and 595,989.78
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Solution
The fourth proportional to 1,079,394.09, 1,489,587.06 and 595,989.78 is: 822,478.72
Step by Step Solution
- Step 1: Write the proportion equation
1,079,394.09 : 1,489,587.06 = 595,989.78 : x - Step 2: Convert to fraction form
1,079,394.09/1,489,587.06 = 595,989.78/x - Step 3: Cross multiply
1,079,394.09x = 1,489,587.06 × 595,989.78 - Step 4: Simplify right side
1,079,394.09x = 887,778,664,180.25 - Step 5: Solve for x
x = 887,778,664,180.25/1,079,394.09 - Step 6: Final answer
x = 822,478.72
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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.