Finding the Fourth Proportional to 1,079,070.16, 1,489,116.60 and 595,635.18
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Solution
The fourth proportional to 1,079,070.16, 1,489,116.60 and 595,635.18 is: 821,976.43
Step by Step Solution
- Step 1: Write the proportion equation
1,079,070.16 : 1,489,116.60 = 595,635.18 : x - Step 2: Convert to fraction form
1,079,070.16/1,489,116.60 = 595,635.18/x - Step 3: Cross multiply
1,079,070.16x = 1,489,116.60 × 595,635.18 - Step 4: Simplify right side
1,079,070.16x = 886,970,234,081.99 - Step 5: Solve for x
x = 886,970,234,081.99/1,079,070.16 - Step 6: Final answer
x = 821,976.43
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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.