Finding the Fourth Proportional to 1,385,306.08, 2,077,958.99 and 702,086.51
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Solution
The fourth proportional to 1,385,306.08, 2,077,958.99 and 702,086.51 is: 1,053,129.71
Step by Step Solution
- Step 1: Write the proportion equation
1,385,306.08 : 2,077,958.99 = 702,086.51 : x - Step 2: Convert to fraction form
1,385,306.08/2,077,958.99 = 702,086.51/x - Step 3: Cross multiply
1,385,306.08x = 2,077,958.99 × 702,086.51 - Step 4: Simplify right side
1,385,306.08x = 1,458,906,982,162.34 - Step 5: Solve for x
x = 1,458,906,982,162.34/1,385,306.08 - Step 6: Final answer
x = 1,053,129.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.