Finding the Fourth Proportional to 1,278,497.53, 1,764,368.96 and 697,752.44
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Solution
The fourth proportional to 1,278,497.53, 1,764,368.96 and 697,752.44 is: 962,921.49
Step by Step Solution
- Step 1: Write the proportion equation
1,278,497.53 : 1,764,368.96 = 697,752.44 : x - Step 2: Convert to fraction form
1,278,497.53/1,764,368.96 = 697,752.44/x - Step 3: Cross multiply
1,278,497.53x = 1,764,368.96 × 697,752.44 - Step 4: Simplify right side
1,278,497.53x = 1,231,092,746,900.26 - Step 5: Solve for x
x = 1,231,092,746,900.26/1,278,497.53 - Step 6: Final answer
x = 962,921.49
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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.