Finding the Fourth Proportional to 1,370,458.24, 1,890,730.56 and 987,671.68
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Solution
The fourth proportional to 1,370,458.24, 1,890,730.56 and 987,671.68 is: 1,362,625.27
Step by Step Solution
- Step 1: Write the proportion equation
1,370,458.24 : 1,890,730.56 = 987,671.68 : x - Step 2: Convert to fraction form
1,370,458.24/1,890,730.56 = 987,671.68/x - Step 3: Cross multiply
1,370,458.24x = 1,890,730.56 × 987,671.68 - Step 4: Simplify right side
1,370,458.24x = 1,867,421,028,622.54 - Step 5: Solve for x
x = 1,867,421,028,622.54/1,370,458.24 - Step 6: Final answer
x = 1,362,625.27
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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.