Finding the Fourth Proportional to 1,339,683.26, 1,848,305.64 and 830,199.74
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Solution
The fourth proportional to 1,339,683.26, 1,848,305.64 and 830,199.74 is: 1,145,392.28
Step by Step Solution
- Step 1: Write the proportion equation
1,339,683.26 : 1,848,305.64 = 830,199.74 : x - Step 2: Convert to fraction form
1,339,683.26/1,848,305.64 = 830,199.74/x - Step 3: Cross multiply
1,339,683.26x = 1,848,305.64 × 830,199.74 - Step 4: Simplify right side
1,339,683.26x = 1,534,462,861,768.53 - Step 5: Solve for x
x = 1,534,462,861,768.53/1,339,683.26 - Step 6: Final answer
x = 1,145,392.28
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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.