Finding the Fourth Proportional to 1,240,798.99, 1,862,124.90 and 921,687.70
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Solution
The fourth proportional to 1,240,798.99, 1,862,124.90 and 921,687.70 is: 1,383,219.71
Step by Step Solution
- Step 1: Write the proportion equation
1,240,798.99 : 1,862,124.90 = 921,687.70 : x - Step 2: Convert to fraction form
1,240,798.99/1,862,124.90 = 921,687.70/x - Step 3: Cross multiply
1,240,798.99x = 1,862,124.90 × 921,687.70 - Step 4: Simplify right side
1,240,798.99x = 1,716,297,616,193.73 - Step 5: Solve for x
x = 1,716,297,616,193.73/1,240,798.99 - Step 6: Final answer
x = 1,383,219.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.