Finding the Fourth Proportional to 1,422,575.92, 2,134,985.68 and 624,408.40
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Solution
The fourth proportional to 1,422,575.92, 2,134,985.68 and 624,408.40 is: 937,104.99
Step by Step Solution
- Step 1: Write the proportion equation
1,422,575.92 : 2,134,985.68 = 624,408.40 : x - Step 2: Convert to fraction form
1,422,575.92/2,134,985.68 = 624,408.40/x - Step 3: Cross multiply
1,422,575.92x = 2,134,985.68 × 624,408.40 - Step 4: Simplify right side
1,422,575.92x = 1,333,102,992,471.71 - Step 5: Solve for x
x = 1,333,102,992,471.71/1,422,575.92 - Step 6: Final answer
x = 937,104.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.