Finding the Fourth Proportional to 1,284,000.24, 1,926,292.20 and 684,645.36
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Solution
The fourth proportional to 1,284,000.24, 1,926,292.20 and 684,645.36 is: 1,027,123.65
Step by Step Solution
- Step 1: Write the proportion equation
1,284,000.24 : 1,926,292.20 = 684,645.36 : x - Step 2: Convert to fraction form
1,284,000.24/1,926,292.20 = 684,645.36/x - Step 3: Cross multiply
1,284,000.24x = 1,926,292.20 × 684,645.36 - Step 4: Simplify right side
1,284,000.24x = 1,318,827,016,734.19 - Step 5: Solve for x
x = 1,318,827,016,734.19/1,284,000.24 - Step 6: Final answer
x = 1,027,123.65
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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.