Finding the Fourth Proportional to 1,260,545.90, 1,890,817.80 and 461,889.92
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Solution
The fourth proportional to 1,260,545.90, 1,890,817.80 and 461,889.92 is: 692,834.50
Step by Step Solution
- Step 1: Write the proportion equation
1,260,545.90 : 1,890,817.80 = 461,889.92 : x - Step 2: Convert to fraction form
1,260,545.90/1,890,817.80 = 461,889.92/x - Step 3: Cross multiply
1,260,545.90x = 1,890,817.80 × 461,889.92 - Step 4: Simplify right side
1,260,545.90x = 873,349,682,376.58 - Step 5: Solve for x
x = 873,349,682,376.58/1,260,545.90 - Step 6: Final answer
x = 692,834.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.