Finding the Fourth Proportional to 1,369,550.79, 2,052,643.59 and 769,250.07
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Solution
The fourth proportional to 1,369,550.79, 2,052,643.59 and 769,250.07 is: 1,152,930.02
Step by Step Solution
- Step 1: Write the proportion equation
1,369,550.79 : 2,052,643.59 = 769,250.07 : x - Step 2: Convert to fraction form
1,369,550.79/2,052,643.59 = 769,250.07/x - Step 3: Cross multiply
1,369,550.79x = 2,052,643.59 × 769,250.07 - Step 4: Simplify right side
1,369,550.79x = 1,578,996,225,292.55 - Step 5: Solve for x
x = 1,578,996,225,292.55/1,369,550.79 - Step 6: Final answer
x = 1,152,930.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.