Finding the Fourth Proportional to 1,369,948.87, 2,055,735.12 and 763,245.00
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Solution
The fourth proportional to 1,369,948.87, 2,055,735.12 and 763,245.00 is: 1,145,319.79
Step by Step Solution
- Step 1: Write the proportion equation
1,369,948.87 : 2,055,735.12 = 763,245.00 : x - Step 2: Convert to fraction form
1,369,948.87/2,055,735.12 = 763,245.00/x - Step 3: Cross multiply
1,369,948.87x = 2,055,735.12 × 763,245.00 - Step 4: Simplify right side
1,369,948.87x = 1,569,029,558,161.70 - Step 5: Solve for x
x = 1,569,029,558,161.70/1,369,948.87 - Step 6: Final answer
x = 1,145,319.79
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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.