Finding the Fourth Proportional to 1,313,596.98, 1,812,766.93 and 709,984.98
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Solution
The fourth proportional to 1,313,596.98, 1,812,766.93 and 709,984.98 is: 979,780.95
Step by Step Solution
- Step 1: Write the proportion equation
1,313,596.98 : 1,812,766.93 = 709,984.98 : x - Step 2: Convert to fraction form
1,313,596.98/1,812,766.93 = 709,984.98/x - Step 3: Cross multiply
1,313,596.98x = 1,812,766.93 × 709,984.98 - Step 4: Simplify right side
1,313,596.98x = 1,287,037,292,540.71 - Step 5: Solve for x
x = 1,287,037,292,540.71/1,313,596.98 - Step 6: Final answer
x = 979,780.95
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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.