Finding the Fourth Proportional to 1,413,659.99, 1,951,528.37 and 870,261.57
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Solution
The fourth proportional to 1,413,659.99, 1,951,528.37 and 870,261.57 is: 1,201,378.09
Step by Step Solution
- Step 1: Write the proportion equation
1,413,659.99 : 1,951,528.37 = 870,261.57 : x - Step 2: Convert to fraction form
1,413,659.99/1,951,528.37 = 870,261.57/x - Step 3: Cross multiply
1,413,659.99x = 1,951,528.37 × 870,261.57 - Step 4: Simplify right side
1,413,659.99x = 1,698,340,143,175.74 - Step 5: Solve for x
x = 1,698,340,143,175.74/1,413,659.99 - Step 6: Final answer
x = 1,201,378.09
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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.