Finding the Fourth Proportional to 1,068,690.30, 1,602,903.21 and 394,756.68
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Solution
The fourth proportional to 1,068,690.30, 1,602,903.21 and 394,756.68 is: 592,086.17
Step by Step Solution
- Step 1: Write the proportion equation
1,068,690.30 : 1,602,903.21 = 394,756.68 : x - Step 2: Convert to fraction form
1,068,690.30/1,602,903.21 = 394,756.68/x - Step 3: Cross multiply
1,068,690.30x = 1,602,903.21 × 394,756.68 - Step 4: Simplify right side
1,068,690.30x = 632,756,749,540.94 - Step 5: Solve for x
x = 632,756,749,540.94/1,068,690.30 - Step 6: Final answer
x = 592,086.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.