Finding the Fourth Proportional to 1,279,205.84, 1,765,306.68 and 706,247.12
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Solution
The fourth proportional to 1,279,205.84, 1,765,306.68 and 706,247.12 is: 974,622.47
Step by Step Solution
- Step 1: Write the proportion equation
1,279,205.84 : 1,765,306.68 = 706,247.12 : x - Step 2: Convert to fraction form
1,279,205.84/1,765,306.68 = 706,247.12/x - Step 3: Cross multiply
1,279,205.84x = 1,765,306.68 × 706,247.12 - Step 4: Simplify right side
1,279,205.84x = 1,246,742,758,666.76 - Step 5: Solve for x
x = 1,246,742,758,666.76/1,279,205.84 - Step 6: Final answer
x = 974,622.47
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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.