Finding the Fourth Proportional to 1,226,486.51, 1,840,035.95 and 427,779.53
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Solution
The fourth proportional to 1,226,486.51, 1,840,035.95 and 427,779.53 is: 641,776.09
Step by Step Solution
- Step 1: Write the proportion equation
1,226,486.51 : 1,840,035.95 = 427,779.53 : x - Step 2: Convert to fraction form
1,226,486.51/1,840,035.95 = 427,779.53/x - Step 3: Cross multiply
1,226,486.51x = 1,840,035.95 × 427,779.53 - Step 4: Simplify right side
1,226,486.51x = 787,129,713,874.10 - Step 5: Solve for x
x = 787,129,713,874.10/1,226,486.51 - Step 6: Final answer
x = 641,776.09
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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.