Finding the Fourth Proportional to 1,318,027.58, 1,818,956.49 and 745,121.06
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Solution
The fourth proportional to 1,318,027.58, 1,818,956.49 and 745,121.06 is: 1,028,311.40
Step by Step Solution
- Step 1: Write the proportion equation
1,318,027.58 : 1,818,956.49 = 745,121.06 : x - Step 2: Convert to fraction form
1,318,027.58/1,818,956.49 = 745,121.06/x - Step 3: Cross multiply
1,318,027.58x = 1,818,956.49 × 745,121.06 - Step 4: Simplify right side
1,318,027.58x = 1,355,342,778,827.90 - Step 5: Solve for x
x = 1,355,342,778,827.90/1,318,027.58 - Step 6: Final answer
x = 1,028,311.40
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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.