Finding the Fourth Proportional to 1,073,524.76, 1,480,846.44 and 643,555.08
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Solution
The fourth proportional to 1,073,524.76, 1,480,846.44 and 643,555.08 is: 887,735.70
Step by Step Solution
- Step 1: Write the proportion equation
1,073,524.76 : 1,480,846.44 = 643,555.08 : x - Step 2: Convert to fraction form
1,073,524.76/1,480,846.44 = 643,555.08/x - Step 3: Cross multiply
1,073,524.76x = 1,480,846.44 × 643,555.08 - Step 4: Simplify right side
1,073,524.76x = 953,006,249,161.92 - Step 5: Solve for x
x = 953,006,249,161.92/1,073,524.76 - Step 6: Final answer
x = 887,735.70
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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.