Finding the Fourth Proportional to 1,405,266.21, 1,939,154.40 and 793,567.78
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Solution
The fourth proportional to 1,405,266.21, 1,939,154.40 and 793,567.78 is: 1,095,059.74
Step by Step Solution
- Step 1: Write the proportion equation
1,405,266.21 : 1,939,154.40 = 793,567.78 : x - Step 2: Convert to fraction form
1,405,266.21/1,939,154.40 = 793,567.78/x - Step 3: Cross multiply
1,405,266.21x = 1,939,154.40 × 793,567.78 - Step 4: Simplify right side
1,405,266.21x = 1,538,850,447,437.35 - Step 5: Solve for x
x = 1,538,850,447,437.35/1,405,266.21 - Step 6: Final answer
x = 1,095,059.74
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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.