Finding the Fourth Proportional to 1,339,607.68, 1,848,615.95 and 766,635.55
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Solution
The fourth proportional to 1,339,607.68, 1,848,615.95 and 766,635.55 is: 1,057,932.65
Step by Step Solution
- Step 1: Write the proportion equation
1,339,607.68 : 1,848,615.95 = 766,635.55 : x - Step 2: Convert to fraction form
1,339,607.68/1,848,615.95 = 766,635.55/x - Step 3: Cross multiply
1,339,607.68x = 1,848,615.95 × 766,635.55 - Step 4: Simplify right side
1,339,607.68x = 1,417,214,692,490.77 - Step 5: Solve for x
x = 1,417,214,692,490.77/1,339,607.68 - Step 6: Final answer
x = 1,057,932.65
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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.