Finding the Fourth Proportional to 1,298,317.01, 1,791,370.42 and 754,129.44
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Solution
The fourth proportional to 1,298,317.01, 1,791,370.42 and 754,129.44 is: 1,040,520.28
Step by Step Solution
- Step 1: Write the proportion equation
1,298,317.01 : 1,791,370.42 = 754,129.44 : x - Step 2: Convert to fraction form
1,298,317.01/1,791,370.42 = 754,129.44/x - Step 3: Cross multiply
1,298,317.01x = 1,791,370.42 × 754,129.44 - Step 4: Simplify right side
1,298,317.01x = 1,350,925,169,781.84 - Step 5: Solve for x
x = 1,350,925,169,781.84/1,298,317.01 - Step 6: Final answer
x = 1,040,520.28
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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.