Finding the Fourth Proportional to 1,235,746.80, 1,850,509.80 and 812,732.40
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Solution
The fourth proportional to 1,235,746.80, 1,850,509.80 and 812,732.40 is: 1,217,052.94
Step by Step Solution
- Step 1: Write the proportion equation
1,235,746.80 : 1,850,509.80 = 812,732.40 : x - Step 2: Convert to fraction form
1,235,746.80/1,850,509.80 = 812,732.40/x - Step 3: Cross multiply
1,235,746.80x = 1,850,509.80 × 812,732.40 - Step 4: Simplify right side
1,235,746.80x = 1,503,969,270,977.52 - Step 5: Solve for x
x = 1,503,969,270,977.52/1,235,746.80 - Step 6: Final answer
x = 1,217,052.94
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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.