Finding the Fourth Proportional to 1,135,121.07, 1,566,456.75 and 625,823.49
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Solution
The fourth proportional to 1,135,121.07, 1,566,456.75 and 625,823.49 is: 863,630.72
Step by Step Solution
- Step 1: Write the proportion equation
1,135,121.07 : 1,566,456.75 = 625,823.49 : x - Step 2: Convert to fraction form
1,135,121.07/1,566,456.75 = 625,823.49/x - Step 3: Cross multiply
1,135,121.07x = 1,566,456.75 × 625,823.49 - Step 4: Simplify right side
1,135,121.07x = 980,325,430,219.06 - Step 5: Solve for x
x = 980,325,430,219.06/1,135,121.07 - Step 6: Final answer
x = 863,630.72
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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.