Finding the Fourth Proportional to 1,259,118.96, 1,888,948.31 and 406,239.18
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Solution
The fourth proportional to 1,259,118.96, 1,888,948.31 and 406,239.18 is: 609,445.84
Step by Step Solution
- Step 1: Write the proportion equation
1,259,118.96 : 1,888,948.31 = 406,239.18 : x - Step 2: Convert to fraction form
1,259,118.96/1,888,948.31 = 406,239.18/x - Step 3: Cross multiply
1,259,118.96x = 1,888,948.31 × 406,239.18 - Step 4: Simplify right side
1,259,118.96x = 767,364,810,485.59 - Step 5: Solve for x
x = 767,364,810,485.59/1,259,118.96 - Step 6: Final answer
x = 609,445.84
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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.