Finding the Fourth Proportional to 1,303,018.98, 1,798,239.69 and 730,243.68
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Solution
The fourth proportional to 1,303,018.98, 1,798,239.69 and 730,243.68 is: 1,007,777.47
Step by Step Solution
- Step 1: Write the proportion equation
1,303,018.98 : 1,798,239.69 = 730,243.68 : x - Step 2: Convert to fraction form
1,303,018.98/1,798,239.69 = 730,243.68/x - Step 3: Cross multiply
1,303,018.98x = 1,798,239.69 × 730,243.68 - Step 4: Simplify right side
1,303,018.98x = 1,313,153,168,747.66 - Step 5: Solve for x
x = 1,313,153,168,747.66/1,303,018.98 - Step 6: Final answer
x = 1,007,777.47
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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.