Finding the Fourth Proportional to 1,124,072.18, 1,551,231.86 and 614,763.62
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Solution
The fourth proportional to 1,124,072.18, 1,551,231.86 and 614,763.62 is: 848,380.50
Step by Step Solution
- Step 1: Write the proportion equation
1,124,072.18 : 1,551,231.86 = 614,763.62 : x - Step 2: Convert to fraction form
1,124,072.18/1,551,231.86 = 614,763.62/x - Step 3: Cross multiply
1,124,072.18x = 1,551,231.86 × 614,763.62 - Step 4: Simplify right side
1,124,072.18x = 953,640,913,712.93 - Step 5: Solve for x
x = 953,640,913,712.93/1,124,072.18 - Step 6: Final answer
x = 848,380.50
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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.