Finding the Fourth Proportional to 1,125,676.14, 1,553,435.58 and 609,435.48
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Solution
The fourth proportional to 1,125,676.14, 1,553,435.58 and 609,435.48 is: 841,022.32
Step by Step Solution
- Step 1: Write the proportion equation
1,125,676.14 : 1,553,435.58 = 609,435.48 : x - Step 2: Convert to fraction form
1,125,676.14/1,553,435.58 = 609,435.48/x - Step 3: Cross multiply
1,125,676.14x = 1,553,435.58 × 609,435.48 - Step 4: Simplify right side
1,125,676.14x = 946,718,758,346.38 - Step 5: Solve for x
x = 946,718,758,346.38/1,125,676.14 - Step 6: Final answer
x = 841,022.32
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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.