Finding the Fourth Proportional to 1,283,908.39, 1,771,793.46 and 710,948.62
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Solution
The fourth proportional to 1,283,908.39, 1,771,793.46 and 710,948.62 is: 981,109.03
Step by Step Solution
- Step 1: Write the proportion equation
1,283,908.39 : 1,771,793.46 = 710,948.62 : x - Step 2: Convert to fraction form
1,283,908.39/1,771,793.46 = 710,948.62/x - Step 3: Cross multiply
1,283,908.39x = 1,771,793.46 × 710,948.62 - Step 4: Simplify right side
1,283,908.39x = 1,259,654,115,312.03 - Step 5: Solve for x
x = 1,259,654,115,312.03/1,283,908.39 - Step 6: Final answer
x = 981,109.03
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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.