Finding the Fourth Proportional to 1,086,412.99, 1,499,319.99 and 602,978.16
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Solution
The fourth proportional to 1,086,412.99, 1,499,319.99 and 602,978.16 is: 832,148.75
Step by Step Solution
- Step 1: Write the proportion equation
1,086,412.99 : 1,499,319.99 = 602,978.16 : x - Step 2: Convert to fraction form
1,086,412.99/1,499,319.99 = 602,978.16/x - Step 3: Cross multiply
1,086,412.99x = 1,499,319.99 × 602,978.16 - Step 4: Simplify right side
1,086,412.99x = 904,057,208,821.42 - Step 5: Solve for x
x = 904,057,208,821.42/1,086,412.99 - Step 6: Final answer
x = 832,148.75
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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.