Finding the Fourth Proportional to 1,083,982.08, 1,625,386.68 and 860,778.48
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Solution
The fourth proportional to 1,083,982.08, 1,625,386.68 and 860,778.48 is: 1,290,702.03
Step by Step Solution
- Step 1: Write the proportion equation
1,083,982.08 : 1,625,386.68 = 860,778.48 : x - Step 2: Convert to fraction form
1,083,982.08/1,625,386.68 = 860,778.48/x - Step 3: Cross multiply
1,083,982.08x = 1,625,386.68 × 860,778.48 - Step 4: Simplify right side
1,083,982.08x = 1,399,097,875,822.65 - Step 5: Solve for x
x = 1,399,097,875,822.65/1,083,982.08 - Step 6: Final answer
x = 1,290,702.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.