Finding the Fourth Proportional to 1,339,713.70, 2,011,903.35 and 709,857.70
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Solution
The fourth proportional to 1,339,713.70, 2,011,903.35 and 709,857.70 is: 1,066,022.60
Step by Step Solution
- Step 1: Write the proportion equation
1,339,713.70 : 2,011,903.35 = 709,857.70 : x - Step 2: Convert to fraction form
1,339,713.70/2,011,903.35 = 709,857.70/x - Step 3: Cross multiply
1,339,713.70x = 2,011,903.35 × 709,857.70 - Step 4: Simplify right side
1,339,713.70x = 1,428,165,084,653.30 - Step 5: Solve for x
x = 1,428,165,084,653.30/1,339,713.70 - Step 6: Final answer
x = 1,066,022.60
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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.