Finding the Fourth Proportional to 1,044,391.36, 1,440,919.74 and 608,709.28
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Solution
The fourth proportional to 1,044,391.36, 1,440,919.74 and 608,709.28 is: 839,820.45
Step by Step Solution
- Step 1: Write the proportion equation
1,044,391.36 : 1,440,919.74 = 608,709.28 : x - Step 2: Convert to fraction form
1,044,391.36/1,440,919.74 = 608,709.28/x - Step 3: Cross multiply
1,044,391.36x = 1,440,919.74 × 608,709.28 - Step 4: Simplify right side
1,044,391.36x = 877,101,217,473.19 - Step 5: Solve for x
x = 877,101,217,473.19/1,044,391.36 - Step 6: Final answer
x = 839,820.45
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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.