Finding the Fourth Proportional to 1,442,260.08, 1,990,288.80 and 898,121.52
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Solution
The fourth proportional to 1,442,260.08, 1,990,288.80 and 898,121.52 is: 1,239,388.95
Step by Step Solution
- Step 1: Write the proportion equation
1,442,260.08 : 1,990,288.80 = 898,121.52 : x - Step 2: Convert to fraction form
1,442,260.08/1,990,288.80 = 898,121.52/x - Step 3: Cross multiply
1,442,260.08x = 1,990,288.80 × 898,121.52 - Step 4: Simplify right side
1,442,260.08x = 1,787,521,202,294.98 - Step 5: Solve for x
x = 1,787,521,202,294.98/1,442,260.08 - Step 6: Final answer
x = 1,239,388.95
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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.