Finding the Fourth Proportional to 1,085,147.32, 1,497,197.88 and 854,991.08
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Solution
The fourth proportional to 1,085,147.32, 1,497,197.88 and 854,991.08 is: 1,179,647.05
Step by Step Solution
- Step 1: Write the proportion equation
1,085,147.32 : 1,497,197.88 = 854,991.08 : x - Step 2: Convert to fraction form
1,085,147.32/1,497,197.88 = 854,991.08/x - Step 3: Cross multiply
1,085,147.32x = 1,497,197.88 × 854,991.08 - Step 4: Simplify right side
1,085,147.32x = 1,280,090,832,394.91 - Step 5: Solve for x
x = 1,280,090,832,394.91/1,085,147.32 - Step 6: Final answer
x = 1,179,647.05
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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.