Finding the Fourth Proportional to 1,161,572, 1,742,423.68 and 413,618.08
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Solution
The fourth proportional to 1,161,572, 1,742,423.68 and 413,618.08 is: 620,450.51
Step by Step Solution
- Step 1: Write the proportion equation
1,161,572 : 1,742,423.68 = 413,618.08 : x - Step 2: Convert to fraction form
1,161,572/1,742,423.68 = 413,618.08/x - Step 3: Cross multiply
1,161,572x = 1,742,423.68 × 413,618.08 - Step 4: Simplify right side
1,161,572x = 720,697,937,068.13 - Step 5: Solve for x
x = 720,697,937,068.13/1,161,572 - Step 6: Final answer
x = 620,450.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.