Finding the Fourth Proportional to 1,177,036.02, 1,764,329.31 and 545,430.42
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Solution
The fourth proportional to 1,177,036.02, 1,764,329.31 and 545,430.42 is: 817,578.10
Step by Step Solution
- Step 1: Write the proportion equation
1,177,036.02 : 1,764,329.31 = 545,430.42 : x - Step 2: Convert to fraction form
1,177,036.02/1,764,329.31 = 545,430.42/x - Step 3: Cross multiply
1,177,036.02x = 1,764,329.31 × 545,430.42 - Step 4: Simplify right side
1,177,036.02x = 962,318,876,571.61 - Step 5: Solve for x
x = 962,318,876,571.61/1,177,036.02 - Step 6: Final answer
x = 817,578.10
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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.