Finding the Fourth Proportional to 1,083,844.40, 1,492,292.86 and 920,177.18
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Solution
The fourth proportional to 1,083,844.40, 1,492,292.86 and 920,177.18 is: 1,266,947.39
Step by Step Solution
- Step 1: Write the proportion equation
1,083,844.40 : 1,492,292.86 = 920,177.18 : x - Step 2: Convert to fraction form
1,083,844.40/1,492,292.86 = 920,177.18/x - Step 3: Cross multiply
1,083,844.40x = 1,492,292.86 × 920,177.18 - Step 4: Simplify right side
1,083,844.40x = 1,373,173,831,048.05 - Step 5: Solve for x
x = 1,373,173,831,048.05/1,083,844.40 - Step 6: Final answer
x = 1,266,947.39
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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.