Finding the Fourth Proportional to 1,178,023.19, 1,625,628.74 and 719,904.42
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Solution
The fourth proportional to 1,178,023.19, 1,625,628.74 and 719,904.42 is: 993,441.66
Step by Step Solution
- Step 1: Write the proportion equation
1,178,023.19 : 1,625,628.74 = 719,904.42 : x - Step 2: Convert to fraction form
1,178,023.19/1,625,628.74 = 719,904.42/x - Step 3: Cross multiply
1,178,023.19x = 1,625,628.74 × 719,904.42 - Step 4: Simplify right side
1,178,023.19x = 1,170,297,311,605.51 - Step 5: Solve for x
x = 1,170,297,311,605.51/1,178,023.19 - Step 6: Final answer
x = 993,441.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.