Finding the Fourth Proportional to 1,408,637.68, 1,943,905.60 and 764,044
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Solution
The fourth proportional to 1,408,637.68, 1,943,905.60 and 764,044 is: 1,054,372.91
Step by Step Solution
- Step 1: Write the proportion equation
1,408,637.68 : 1,943,905.60 = 764,044 : x - Step 2: Convert to fraction form
1,408,637.68/1,943,905.60 = 764,044/x - Step 3: Cross multiply
1,408,637.68x = 1,943,905.60 × 764,044 - Step 4: Simplify right side
1,408,637.68x = 1,485,229,410,246.40 - Step 5: Solve for x
x = 1,485,229,410,246.40/1,408,637.68 - Step 6: Final answer
x = 1,054,372.91
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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.