Finding the Fourth Proportional to 1,339,681.26, 1,848,302.88 and 830,197.74
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Solution
The fourth proportional to 1,339,681.26, 1,848,302.88 and 830,197.74 is: 1,145,389.52
Step by Step Solution
- Step 1: Write the proportion equation
1,339,681.26 : 1,848,302.88 = 830,197.74 : x - Step 2: Convert to fraction form
1,339,681.26/1,848,302.88 = 830,197.74/x - Step 3: Cross multiply
1,339,681.26x = 1,848,302.88 × 830,197.74 - Step 4: Simplify right side
1,339,681.26x = 1,534,456,873,811.49 - Step 5: Solve for x
x = 1,534,456,873,811.49/1,339,681.26 - Step 6: Final answer
x = 1,145,389.52
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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.