Home / 1,361,492.80-2,039,128.80-801,620.80

Finding the Fourth Proportional to 1,361,492.80, 2,039,128.80 and 801,620.80

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Solution

The fourth proportional to 1,361,492.80, 2,039,128.80 and 801,620.80 is: 1,200,599.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,492.80 : 2,039,128.80 = 801,620.80 : x
  2. Step 2: Convert to fraction form
    1,361,492.80/2,039,128.80 = 801,620.80/x
  3. Step 3: Cross multiply
    1,361,492.80x = 2,039,128.80 × 801,620.80
  4. Step 4: Simplify right side
    1,361,492.80x = 1,634,608,059,959.04
  5. Step 5: Solve for x
    x = 1,634,608,059,959.04/1,361,492.80
  6. Step 6: Final answer
    x = 1,200,599.86

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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.