Finding the Fourth Proportional to 1,279,961.08, 1,766,312.42 and 706,988.92
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Solution
The fourth proportional to 1,279,961.08, 1,766,312.42 and 706,988.92 is: 975,626.00
Step by Step Solution
- Step 1: Write the proportion equation
1,279,961.08 : 1,766,312.42 = 706,988.92 : x - Step 2: Convert to fraction form
1,279,961.08/1,766,312.42 = 706,988.92/x - Step 3: Cross multiply
1,279,961.08x = 1,766,312.42 × 706,988.92 - Step 4: Simplify right side
1,279,961.08x = 1,248,763,310,198.39 - Step 5: Solve for x
x = 1,248,763,310,198.39/1,279,961.08 - Step 6: Final answer
x = 975,626.00
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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.