Finding the Fourth Proportional to 1,070,619.70, 1,606,349.87 and 471,160.36
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Solution
The fourth proportional to 1,070,619.70, 1,606,349.87 and 471,160.36 is: 706,925.52
Step by Step Solution
- Step 1: Write the proportion equation
1,070,619.70 : 1,606,349.87 = 471,160.36 : x - Step 2: Convert to fraction form
1,070,619.70/1,606,349.87 = 471,160.36/x - Step 3: Cross multiply
1,070,619.70x = 1,606,349.87 × 471,160.36 - Step 4: Simplify right side
1,070,619.70x = 756,848,383,035.15 - Step 5: Solve for x
x = 756,848,383,035.15/1,070,619.70 - Step 6: Final answer
x = 706,925.52
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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.