Finding the Fourth Proportional to 1,259,368.32, 1,737,929.60 and 686,408.96
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Solution
The fourth proportional to 1,259,368.32, 1,737,929.60 and 686,408.96 is: 947,245.08
Step by Step Solution
- Step 1: Write the proportion equation
1,259,368.32 : 1,737,929.60 = 686,408.96 : x - Step 2: Convert to fraction form
1,259,368.32/1,737,929.60 = 686,408.96/x - Step 3: Cross multiply
1,259,368.32x = 1,737,929.60 × 686,408.96 - Step 4: Simplify right side
1,259,368.32x = 1,192,930,449,289.22 - Step 5: Solve for x
x = 1,192,930,449,289.22/1,259,368.32 - Step 6: Final answer
x = 947,245.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.