Finding the Fourth Proportional to 1,239,269.13, 1,858,864.82 and 352,805.13
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Solution
The fourth proportional to 1,239,269.13, 1,858,864.82 and 352,805.13 is: 529,196.63
Step by Step Solution
- Step 1: Write the proportion equation
1,239,269.13 : 1,858,864.82 = 352,805.13 : x - Step 2: Convert to fraction form
1,239,269.13/1,858,864.82 = 352,805.13/x - Step 3: Cross multiply
1,239,269.13x = 1,858,864.82 × 352,805.13 - Step 4: Simplify right side
1,239,269.13x = 655,817,042,708.50 - Step 5: Solve for x
x = 655,817,042,708.50/1,239,269.13 - Step 6: Final answer
x = 529,196.63
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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.