Finding the Fourth Proportional to 1,272,545.44, 1,756,149.06 and 775,858
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Solution
The fourth proportional to 1,272,545.44, 1,756,149.06 and 775,858 is: 1,070,706.20
Step by Step Solution
- Step 1: Write the proportion equation
1,272,545.44 : 1,756,149.06 = 775,858 : x - Step 2: Convert to fraction form
1,272,545.44/1,756,149.06 = 775,858/x - Step 3: Cross multiply
1,272,545.44x = 1,756,149.06 × 775,858 - Step 4: Simplify right side
1,272,545.44x = 1,362,522,297,393.48 - Step 5: Solve for x
x = 1,362,522,297,393.48/1,272,545.44 - Step 6: Final answer
x = 1,070,706.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.