Finding the Fourth Proportional to 1,095,877.36, 1,512,305.67 and 612,442.21
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Solution
The fourth proportional to 1,095,877.36, 1,512,305.67 and 612,442.21 is: 845,167.41
Step by Step Solution
- Step 1: Write the proportion equation
1,095,877.36 : 1,512,305.67 = 612,442.21 : x - Step 2: Convert to fraction form
1,095,877.36/1,512,305.67 = 612,442.21/x - Step 3: Cross multiply
1,095,877.36x = 1,512,305.67 × 612,442.21 - Step 4: Simplify right side
1,095,877.36x = 926,199,826,730.33 - Step 5: Solve for x
x = 926,199,826,730.33/1,095,877.36 - Step 6: Final answer
x = 845,167.41
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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.