Finding the Fourth Proportional to 1,279,203.84, 1,765,303.92 and 706,245.12
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Solution
The fourth proportional to 1,279,203.84, 1,765,303.92 and 706,245.12 is: 974,619.71
Step by Step Solution
- Step 1: Write the proportion equation
1,279,203.84 : 1,765,303.92 = 706,245.12 : x - Step 2: Convert to fraction form
1,279,203.84/1,765,303.92 = 706,245.12/x - Step 3: Cross multiply
1,279,203.84x = 1,765,303.92 × 706,245.12 - Step 4: Simplify right side
1,279,203.84x = 1,246,737,278,816.87 - Step 5: Solve for x
x = 1,246,737,278,816.87/1,279,203.84 - Step 6: Final answer
x = 974,619.71
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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.