Home / 1,039,719.30-1,556,954.55-682,800.90

Finding the Fourth Proportional to 1,039,719.30, 1,556,954.55 and 682,800.90

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Solution

The fourth proportional to 1,039,719.30, 1,556,954.55 and 682,800.90 is: 1,022,477.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,719.30 : 1,556,954.55 = 682,800.90 : x
  2. Step 2: Convert to fraction form
    1,039,719.30/1,556,954.55 = 682,800.90/x
  3. Step 3: Cross multiply
    1,039,719.30x = 1,556,954.55 × 682,800.90
  4. Step 4: Simplify right side
    1,039,719.30x = 1,063,089,967,999.10
  5. Step 5: Solve for x
    x = 1,063,089,967,999.10/1,039,719.30
  6. Step 6: Final answer
    x = 1,022,477.86

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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.