Home / 1,382,812.80-2,074,219.20-436,279.20

Finding the Fourth Proportional to 1,382,812.80, 2,074,219.20 and 436,279.20

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Solution

The fourth proportional to 1,382,812.80, 2,074,219.20 and 436,279.20 is: 654,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,812.80 : 2,074,219.20 = 436,279.20 : x
  2. Step 2: Convert to fraction form
    1,382,812.80/2,074,219.20 = 436,279.20/x
  3. Step 3: Cross multiply
    1,382,812.80x = 2,074,219.20 × 436,279.20
  4. Step 4: Simplify right side
    1,382,812.80x = 904,938,693,200.64
  5. Step 5: Solve for x
    x = 904,938,693,200.64/1,382,812.80
  6. Step 6: Final answer
    x = 654,418.80

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1.5x scale

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.