Finding the Fourth Proportional to 1,138,532.68, 1,707,796.86 and 1,069,248.52
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Solution
The fourth proportional to 1,138,532.68, 1,707,796.86 and 1,069,248.52 is: 1,603,870.75
Step by Step Solution
- Step 1: Write the proportion equation
1,138,532.68 : 1,707,796.86 = 1,069,248.52 : x - Step 2: Convert to fraction form
1,138,532.68/1,707,796.86 = 1,069,248.52/x - Step 3: Cross multiply
1,138,532.68x = 1,707,796.86 × 1,069,248.52 - Step 4: Simplify right side
1,138,532.68x = 1,826,059,265,015.65 - Step 5: Solve for x
x = 1,826,059,265,015.65/1,138,532.68 - Step 6: Final answer
x = 1,603,870.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.