Finding the Fourth Proportional to 1,300,508.80, 1,794,661.61 and 719,696.99
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Solution
The fourth proportional to 1,300,508.80, 1,794,661.61 and 719,696.99 is: 993,159.41
Step by Step Solution
- Step 1: Write the proportion equation
1,300,508.80 : 1,794,661.61 = 719,696.99 : x - Step 2: Convert to fraction form
1,300,508.80/1,794,661.61 = 719,696.99/x - Step 3: Cross multiply
1,300,508.80x = 1,794,661.61 × 719,696.99 - Step 4: Simplify right side
1,300,508.80x = 1,291,612,554,754.44 - Step 5: Solve for x
x = 1,291,612,554,754.44/1,300,508.80 - Step 6: Final answer
x = 993,159.41
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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.