Finding the Fourth Proportional to 1,101,304.69, 1,519,823.87 and 617,904.79
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Solution
The fourth proportional to 1,101,304.69, 1,519,823.87 and 617,904.79 is: 852,721.74
Step by Step Solution
- Step 1: Write the proportion equation
1,101,304.69 : 1,519,823.87 = 617,904.79 : x - Step 2: Convert to fraction form
1,101,304.69/1,519,823.87 = 617,904.79/x - Step 3: Cross multiply
1,101,304.69x = 1,519,823.87 × 617,904.79 - Step 4: Simplify right side
1,101,304.69x = 939,106,449,229.34 - Step 5: Solve for x
x = 939,106,449,229.34/1,101,304.69 - Step 6: Final answer
x = 852,721.74
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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.