Finding the Fourth Proportional to 1,152,875.44, 1,579,431.99 and 1,109,763.31
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Solution
The fourth proportional to 1,152,875.44, 1,579,431.99 and 1,109,763.31 is: 1,520,368.65
Step by Step Solution
- Step 1: Write the proportion equation
1,152,875.44 : 1,579,431.99 = 1,109,763.31 : x - Step 2: Convert to fraction form
1,152,875.44/1,579,431.99 = 1,109,763.31/x - Step 3: Cross multiply
1,152,875.44x = 1,579,431.99 × 1,109,763.31 - Step 4: Simplify right side
1,152,875.44x = 1,752,795,673,142.29 - Step 5: Solve for x
x = 1,752,795,673,142.29/1,152,875.44 - Step 6: Final answer
x = 1,520,368.65
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.