Home / 1,361,489.30-2,039,123.55-801,617.30

Finding the Fourth Proportional to 1,361,489.30, 2,039,123.55 and 801,617.30

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Solution

The fourth proportional to 1,361,489.30, 2,039,123.55 and 801,617.30 is: 1,200,594.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,489.30 : 2,039,123.55 = 801,617.30 : x
  2. Step 2: Convert to fraction form
    1,361,489.30/2,039,123.55 = 801,617.30/x
  3. Step 3: Cross multiply
    1,361,489.30x = 2,039,123.55 × 801,617.30
  4. Step 4: Simplify right side
    1,361,489.30x = 1,634,596,714,517.42
  5. Step 5: Solve for x
    x = 1,634,596,714,517.42/1,361,489.30
  6. Step 6: Final answer
    x = 1,200,594.61

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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.