Finding the Fourth Proportional to 1,125,305.96, 1,553,646.48 and 1,004,239.28
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Solution
The fourth proportional to 1,125,305.96, 1,553,646.48 and 1,004,239.28 is: 1,386,496.54
Step by Step Solution
- Step 1: Write the proportion equation
1,125,305.96 : 1,553,646.48 = 1,004,239.28 : x - Step 2: Convert to fraction form
1,125,305.96/1,553,646.48 = 1,004,239.28/x - Step 3: Cross multiply
1,125,305.96x = 1,553,646.48 × 1,004,239.28 - Step 4: Simplify right side
1,125,305.96x = 1,560,232,822,449.73 - Step 5: Solve for x
x = 1,560,232,822,449.73/1,125,305.96 - Step 6: Final answer
x = 1,386,496.54
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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.