Finding the Fourth Proportional to 1,192,913.46, 1,646,207.78 and 709,467.98
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Solution
The fourth proportional to 1,192,913.46, 1,646,207.78 and 709,467.98 is: 979,058.19
Step by Step Solution
- Step 1: Write the proportion equation
1,192,913.46 : 1,646,207.78 = 709,467.98 : x - Step 2: Convert to fraction form
1,192,913.46/1,646,207.78 = 709,467.98/x - Step 3: Cross multiply
1,192,913.46x = 1,646,207.78 × 709,467.98 - Step 4: Simplify right side
1,192,913.46x = 1,167,931,696,558.51 - Step 5: Solve for x
x = 1,167,931,696,558.51/1,192,913.46 - Step 6: Final answer
x = 979,058.19
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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.