Finding the Fourth Proportional to 1,480,278.12, 2,042,789.96 and 801,214.62
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Solution
The fourth proportional to 1,480,278.12, 2,042,789.96 and 801,214.62 is: 1,105,679.50
Step by Step Solution
- Step 1: Write the proportion equation
1,480,278.12 : 2,042,789.96 = 801,214.62 : x - Step 2: Convert to fraction form
1,480,278.12/2,042,789.96 = 801,214.62/x - Step 3: Cross multiply
1,480,278.12x = 2,042,789.96 × 801,214.62 - Step 4: Simplify right side
1,480,278.12x = 1,636,713,177,535.14 - Step 5: Solve for x
x = 1,636,713,177,535.14/1,480,278.12 - Step 6: Final answer
x = 1,105,679.50
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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.