Finding the Fourth Proportional to 1,279,178.84, 1,765,269.42 and 706,220.12
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Solution
The fourth proportional to 1,279,178.84, 1,765,269.42 and 706,220.12 is: 974,585.21
Step by Step Solution
- Step 1: Write the proportion equation
1,279,178.84 : 1,765,269.42 = 706,220.12 : x - Step 2: Convert to fraction form
1,279,178.84/1,765,269.42 = 706,220.12/x - Step 3: Cross multiply
1,279,178.84x = 1,765,269.42 × 706,220.12 - Step 4: Simplify right side
1,279,178.84x = 1,246,668,781,624.73 - Step 5: Solve for x
x = 1,246,668,781,624.73/1,279,178.84 - Step 6: Final answer
x = 974,585.21
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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.