Finding the Fourth Proportional to 1,352,239.11, 1,866,090.41 and 740,430.64
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Solution
The fourth proportional to 1,352,239.11, 1,866,090.41 and 740,430.64 is: 1,021,794.53
Step by Step Solution
- Step 1: Write the proportion equation
1,352,239.11 : 1,866,090.41 = 740,430.64 : x - Step 2: Convert to fraction form
1,352,239.11/1,866,090.41 = 740,430.64/x - Step 3: Cross multiply
1,352,239.11x = 1,866,090.41 × 740,430.64 - Step 4: Simplify right side
1,352,239.11x = 1,381,710,526,093.01 - Step 5: Solve for x
x = 1,381,710,526,093.01/1,352,239.11 - Step 6: Final answer
x = 1,021,794.53
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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.