Finding the Fourth Proportional to 1,208,441.24, 1,667,659.62 and 657,158.84
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Solution
The fourth proportional to 1,208,441.24, 1,667,659.62 and 657,158.84 is: 906,885.02
Step by Step Solution
- Step 1: Write the proportion equation
1,208,441.24 : 1,667,659.62 = 657,158.84 : x - Step 2: Convert to fraction form
1,208,441.24/1,667,659.62 = 657,158.84/x - Step 3: Cross multiply
1,208,441.24x = 1,667,659.62 × 657,158.84 - Step 4: Simplify right side
1,208,441.24x = 1,095,917,261,394.04 - Step 5: Solve for x
x = 1,095,917,261,394.04/1,208,441.24 - Step 6: Final answer
x = 906,885.02
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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.