Finding the Fourth Proportional to 1,285,636.91, 1,926,763.40 and 717,285.62
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Solution
The fourth proportional to 1,285,636.91, 1,926,763.40 and 717,285.62 is: 1,074,984.44
Step by Step Solution
- Step 1: Write the proportion equation
1,285,636.91 : 1,926,763.40 = 717,285.62 : x - Step 2: Convert to fraction form
1,285,636.91/1,926,763.40 = 717,285.62/x - Step 3: Cross multiply
1,285,636.91x = 1,926,763.40 × 717,285.62 - Step 4: Simplify right side
1,285,636.91x = 1,382,039,673,024.88 - Step 5: Solve for x
x = 1,382,039,673,024.88/1,285,636.91 - Step 6: Final answer
x = 1,074,984.44
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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.