Finding the Fourth Proportional to 1,049,686, 1,574,403.99 and 617,661.70
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Solution
The fourth proportional to 1,049,686, 1,574,403.99 and 617,661.70 is: 926,418.99
Step by Step Solution
- Step 1: Write the proportion equation
1,049,686 : 1,574,403.99 = 617,661.70 : x - Step 2: Convert to fraction form
1,049,686/1,574,403.99 = 617,661.70/x - Step 3: Cross multiply
1,049,686x = 1,574,403.99 × 617,661.70 - Step 4: Simplify right side
1,049,686x = 972,449,044,950.18 - Step 5: Solve for x
x = 972,449,044,950.18/1,049,686 - Step 6: Final answer
x = 926,418.99
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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.