Finding the Fourth Proportional to 1,128,713.74, 1,693,125.99 and 454,703.63
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Solution
The fourth proportional to 1,128,713.74, 1,693,125.99 and 454,703.63 is: 682,077.75
Step by Step Solution
- Step 1: Write the proportion equation
1,128,713.74 : 1,693,125.99 = 454,703.63 : x - Step 2: Convert to fraction form
1,128,713.74/1,693,125.99 = 454,703.63/x - Step 3: Cross multiply
1,128,713.74x = 1,693,125.99 × 454,703.63 - Step 4: Simplify right side
1,128,713.74x = 769,870,525,234.71 - Step 5: Solve for x
x = 769,870,525,234.71/1,128,713.74 - Step 6: Final answer
x = 682,077.75
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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.