Finding the Fourth Proportional to 1,408,626.64, 1,943,890.47 and 764,032.99
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Solution
The fourth proportional to 1,408,626.64, 1,943,890.47 and 764,032.99 is: 1,054,357.77
Step by Step Solution
- Step 1: Write the proportion equation
1,408,626.64 : 1,943,890.47 = 764,032.99 : x - Step 2: Convert to fraction form
1,408,626.64/1,943,890.47 = 764,032.99/x - Step 3: Cross multiply
1,408,626.64x = 1,943,890.47 × 764,032.99 - Step 4: Simplify right side
1,408,626.64x = 1,485,196,448,026.61 - Step 5: Solve for x
x = 1,485,196,448,026.61/1,408,626.64 - Step 6: Final answer
x = 1,054,357.77
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.