Finding the Fourth Proportional to 1,352,129.49, 1,865,940.26 and 740,287.08
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Solution
The fourth proportional to 1,352,129.49, 1,865,940.26 and 740,287.08 is: 1,021,597.02
Step by Step Solution
- Step 1: Write the proportion equation
1,352,129.49 : 1,865,940.26 = 740,287.08 : x - Step 2: Convert to fraction form
1,352,129.49/1,865,940.26 = 740,287.08/x - Step 3: Cross multiply
1,352,129.49x = 1,865,940.26 × 740,287.08 - Step 4: Simplify right side
1,352,129.49x = 1,381,331,462,828.41 - Step 5: Solve for x
x = 1,381,331,462,828.41/1,352,129.49 - Step 6: Final answer
x = 1,021,597.02
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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.