Finding the Fourth Proportional to 1,173,419.19, 1,619,262.50 and 720,622.71
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Solution
The fourth proportional to 1,173,419.19, 1,619,262.50 and 720,622.71 is: 994,424.96
Step by Step Solution
- Step 1: Write the proportion equation
1,173,419.19 : 1,619,262.50 = 720,622.71 : x - Step 2: Convert to fraction form
1,173,419.19/1,619,262.50 = 720,622.71/x - Step 3: Cross multiply
1,173,419.19x = 1,619,262.50 × 720,622.71 - Step 4: Simplify right side
1,173,419.19x = 1,166,877,327,348.26 - Step 5: Solve for x
x = 1,166,877,327,348.26/1,173,419.19 - Step 6: Final answer
x = 994,424.96
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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.