Finding the Fourth Proportional to 1,256,903.88, 1,885,651.11 and 415,455.63
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Solution
The fourth proportional to 1,256,903.88, 1,885,651.11 and 415,455.63 is: 623,281.05
Step by Step Solution
- Step 1: Write the proportion equation
1,256,903.88 : 1,885,651.11 = 415,455.63 : x - Step 2: Convert to fraction form
1,256,903.88/1,885,651.11 = 415,455.63/x - Step 3: Cross multiply
1,256,903.88x = 1,885,651.11 × 415,455.63 - Step 4: Simplify right side
1,256,903.88x = 783,404,369,865.25 - Step 5: Solve for x
x = 783,404,369,865.25/1,256,903.88 - Step 6: Final answer
x = 623,281.05
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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.