Finding the Fourth Proportional to 1,588,135.26, 2,191,448.75 and 899,659.63
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Solution
The fourth proportional to 1,588,135.26, 2,191,448.75 and 899,659.63 is: 1,241,429.51
Step by Step Solution
- Step 1: Write the proportion equation
1,588,135.26 : 2,191,448.75 = 899,659.63 : x - Step 2: Convert to fraction form
1,588,135.26/2,191,448.75 = 899,659.63/x - Step 3: Cross multiply
1,588,135.26x = 2,191,448.75 × 899,659.63 - Step 4: Simplify right side
1,588,135.26x = 1,971,557,971,588.96 - Step 5: Solve for x
x = 1,971,557,971,588.96/1,588,135.26 - Step 6: Final answer
x = 1,241,429.51
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1.5x scale
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.