Finding the Fourth Proportional to 1,107,744.84, 1,528,714.91 and 617,709.57
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Solution
The fourth proportional to 1,107,744.84, 1,528,714.91 and 617,709.57 is: 852,454.28
Step by Step Solution
- Step 1: Write the proportion equation
1,107,744.84 : 1,528,714.91 = 617,709.57 : x - Step 2: Convert to fraction form
1,107,744.84/1,528,714.91 = 617,709.57/x - Step 3: Cross multiply
1,107,744.84x = 1,528,714.91 × 617,709.57 - Step 4: Simplify right side
1,107,744.84x = 944,301,830,847.45 - Step 5: Solve for x
x = 944,301,830,847.45/1,107,744.84 - Step 6: Final answer
x = 852,454.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.