Finding the Fourth Proportional to 1,348,507.80, 1,860,997.20 and 775,548.36
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Solution
The fourth proportional to 1,348,507.80, 1,860,997.20 and 775,548.36 is: 1,070,289.19
Step by Step Solution
- Step 1: Write the proportion equation
1,348,507.80 : 1,860,997.20 = 775,548.36 : x - Step 2: Convert to fraction form
1,348,507.80/1,860,997.20 = 775,548.36/x - Step 3: Cross multiply
1,348,507.80x = 1,860,997.20 × 775,548.36 - Step 4: Simplify right side
1,348,507.80x = 1,443,293,326,424.59 - Step 5: Solve for x
x = 1,443,293,326,424.59/1,348,507.80 - Step 6: Final answer
x = 1,070,289.19
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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.