Finding the Fourth Proportional to 1,279,179.84, 1,765,270.80 and 706,221.12
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Solution
The fourth proportional to 1,279,179.84, 1,765,270.80 and 706,221.12 is: 974,586.59
Step by Step Solution
- Step 1: Write the proportion equation
1,279,179.84 : 1,765,270.80 = 706,221.12 : x - Step 2: Convert to fraction form
1,279,179.84/1,765,270.80 = 706,221.12/x - Step 3: Cross multiply
1,279,179.84x = 1,765,270.80 × 706,221.12 - Step 4: Simplify right side
1,279,179.84x = 1,246,671,521,479.30 - Step 5: Solve for x
x = 1,246,671,521,479.30/1,279,179.84 - Step 6: Final answer
x = 974,586.59
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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.