Finding the Fourth Proportional to 1,295,404.70, 1,943,107.05 and 453,847.10
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Solution
The fourth proportional to 1,295,404.70, 1,943,107.05 and 453,847.10 is: 680,770.65
Step by Step Solution
- Step 1: Write the proportion equation
1,295,404.70 : 1,943,107.05 = 453,847.10 : x - Step 2: Convert to fraction form
1,295,404.70/1,943,107.05 = 453,847.10/x - Step 3: Cross multiply
1,295,404.70x = 1,943,107.05 × 453,847.10 - Step 4: Simplify right side
1,295,404.70x = 881,873,499,632.06 - Step 5: Solve for x
x = 881,873,499,632.06/1,295,404.70 - Step 6: Final answer
x = 680,770.65
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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.