Finding the Fourth Proportional to 1,120,953.17, 1,546,952.70 and 611,683.49
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Solution
The fourth proportional to 1,120,953.17, 1,546,952.70 and 611,683.49 is: 844,143.58
Step by Step Solution
- Step 1: Write the proportion equation
1,120,953.17 : 1,546,952.70 = 611,683.49 : x - Step 2: Convert to fraction form
1,120,953.17/1,546,952.70 = 611,683.49/x - Step 3: Cross multiply
1,120,953.17x = 1,546,952.70 × 611,683.49 - Step 4: Simplify right side
1,120,953.17x = 946,245,418,666.16 - Step 5: Solve for x
x = 946,245,418,666.16/1,120,953.17 - Step 6: Final answer
x = 844,143.58
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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.