Finding the Fourth Proportional to 1,280,129.99, 1,766,633.06 and 736,265.93
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Solution
The fourth proportional to 1,280,129.99, 1,766,633.06 and 736,265.93 is: 1,016,077.85
Step by Step Solution
- Step 1: Write the proportion equation
1,280,129.99 : 1,766,633.06 = 736,265.93 : x - Step 2: Convert to fraction form
1,280,129.99/1,766,633.06 = 736,265.93/x - Step 3: Cross multiply
1,280,129.99x = 1,766,633.06 × 736,265.93 - Step 4: Simplify right side
1,280,129.99x = 1,300,711,732,889.65 - Step 5: Solve for x
x = 1,300,711,732,889.65/1,280,129.99 - Step 6: Final answer
x = 1,016,077.85
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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.