Finding the Fourth Proportional to 1,083,844.90, 1,492,293.55 and 920,177.68
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Solution
The fourth proportional to 1,083,844.90, 1,492,293.55 and 920,177.68 is: 1,266,948.08
Step by Step Solution
- Step 1: Write the proportion equation
1,083,844.90 : 1,492,293.55 = 920,177.68 : x - Step 2: Convert to fraction form
1,083,844.90/1,492,293.55 = 920,177.68/x - Step 3: Cross multiply
1,083,844.90x = 1,492,293.55 × 920,177.68 - Step 4: Simplify right side
1,083,844.90x = 1,373,175,212,117.08 - Step 5: Solve for x
x = 1,373,175,212,117.08/1,083,844.90 - Step 6: Final answer
x = 1,266,948.08
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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.