Finding the Fourth Proportional to 1,352,943.36, 1,866,216.96 and 870,137.28
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Solution
The fourth proportional to 1,352,943.36, 1,866,216.96 and 870,137.28 is: 1,200,246.07
Step by Step Solution
- Step 1: Write the proportion equation
1,352,943.36 : 1,866,216.96 = 870,137.28 : x - Step 2: Convert to fraction form
1,352,943.36/1,866,216.96 = 870,137.28/x - Step 3: Cross multiply
1,352,943.36x = 1,866,216.96 × 870,137.28 - Step 4: Simplify right side
1,352,943.36x = 1,623,864,949,464.27 - Step 5: Solve for x
x = 1,623,864,949,464.27/1,352,943.36 - Step 6: Final answer
x = 1,200,246.07
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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.