Finding the Fourth Proportional to 1,252,604.48, 1,878,918.24 and 399,805.76
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Solution
The fourth proportional to 1,252,604.48, 1,878,918.24 and 399,805.76 is: 599,712.32
Step by Step Solution
- Step 1: Write the proportion equation
1,252,604.48 : 1,878,918.24 = 399,805.76 : x - Step 2: Convert to fraction form
1,252,604.48/1,878,918.24 = 399,805.76/x - Step 3: Cross multiply
1,252,604.48x = 1,878,918.24 × 399,805.76 - Step 4: Simplify right side
1,252,604.48x = 751,202,334,921.06 - Step 5: Solve for x
x = 751,202,334,921.06/1,252,604.48 - Step 6: Final answer
x = 599,712.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.