Finding the Fourth Proportional to 1,278,209.16, 1,764,567.84 and 794,930.00
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Solution
The fourth proportional to 1,278,209.16, 1,764,567.84 and 794,930.00 is: 1,097,400.92
Step by Step Solution
- Step 1: Write the proportion equation
1,278,209.16 : 1,764,567.84 = 794,930.00 : x - Step 2: Convert to fraction form
1,278,209.16/1,764,567.84 = 794,930.00/x - Step 3: Cross multiply
1,278,209.16x = 1,764,567.84 × 794,930.00 - Step 4: Simplify right side
1,278,209.16x = 1,402,707,912,663.56 - Step 5: Solve for x
x = 1,402,707,912,663.56/1,278,209.16 - Step 6: Final answer
x = 1,097,400.92
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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.