Finding the Fourth Proportional to 1,192,857.18, 1,646,124.81 and 648,980.58
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Solution
The fourth proportional to 1,192,857.18, 1,646,124.81 and 648,980.58 is: 895,583.35
Step by Step Solution
- Step 1: Write the proportion equation
1,192,857.18 : 1,646,124.81 = 648,980.58 : x - Step 2: Convert to fraction form
1,192,857.18/1,646,124.81 = 648,980.58/x - Step 3: Cross multiply
1,192,857.18x = 1,646,124.81 × 648,980.58 - Step 4: Simplify right side
1,192,857.18x = 1,068,303,033,946.19 - Step 5: Solve for x
x = 1,068,303,033,946.19/1,192,857.18 - Step 6: Final answer
x = 895,583.35
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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.