Finding the Fourth Proportional to 1,110,087.12, 1,531,943.88 and 626,559.44
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Solution
The fourth proportional to 1,110,087.12, 1,531,943.88 and 626,559.44 is: 864,665.38
Step by Step Solution
- Step 1: Write the proportion equation
1,110,087.12 : 1,531,943.88 = 626,559.44 : x - Step 2: Convert to fraction form
1,110,087.12/1,531,943.88 = 626,559.44/x - Step 3: Cross multiply
1,110,087.12x = 1,531,943.88 × 626,559.44 - Step 4: Simplify right side
1,110,087.12x = 959,853,899,564.23 - Step 5: Solve for x
x = 959,853,899,564.23/1,110,087.12 - Step 6: Final answer
x = 864,665.38
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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.