Finding the Fourth Proportional to 1,036,709.13, 1,430,665.28 and 577,852.84
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Solution
The fourth proportional to 1,036,709.13, 1,430,665.28 and 577,852.84 is: 797,440.64
Step by Step Solution
- Step 1: Write the proportion equation
1,036,709.13 : 1,430,665.28 = 577,852.84 : x - Step 2: Convert to fraction form
1,036,709.13/1,430,665.28 = 577,852.84/x - Step 3: Cross multiply
1,036,709.13x = 1,430,665.28 × 577,852.84 - Step 4: Simplify right side
1,036,709.13x = 826,713,994,604.39 - Step 5: Solve for x
x = 826,713,994,604.39/1,036,709.13 - Step 6: Final answer
x = 797,440.64
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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.