Finding the Fourth Proportional to 1,278,523.66, 1,764,404.99 and 697,778.50
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Solution
The fourth proportional to 1,278,523.66, 1,764,404.99 and 697,778.50 is: 962,957.44
Step by Step Solution
- Step 1: Write the proportion equation
1,278,523.66 : 1,764,404.99 = 697,778.50 : x - Step 2: Convert to fraction form
1,278,523.66/1,764,404.99 = 697,778.50/x - Step 3: Cross multiply
1,278,523.66x = 1,764,404.99 × 697,778.50 - Step 4: Simplify right side
1,278,523.66x = 1,231,163,862,031.48 - Step 5: Solve for x
x = 1,231,163,862,031.48/1,278,523.66 - Step 6: Final answer
x = 962,957.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.