Finding the Fourth Proportional to 1,280,133.99, 1,766,638.58 and 736,269.93
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Solution
The fourth proportional to 1,280,133.99, 1,766,638.58 and 736,269.93 is: 1,016,083.37
Step by Step Solution
- Step 1: Write the proportion equation
1,280,133.99 : 1,766,638.58 = 736,269.93 : x - Step 2: Convert to fraction form
1,280,133.99/1,766,638.58 = 736,269.93/x - Step 3: Cross multiply
1,280,133.99x = 1,766,638.58 × 736,269.93 - Step 4: Simplify right side
1,280,133.99x = 1,300,722,859,950.55 - Step 5: Solve for x
x = 1,300,722,859,950.55/1,280,133.99 - Step 6: Final answer
x = 1,016,083.37
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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.