Home / 1,036,009.19-1,555,074.21-855,519.55

Finding the Fourth Proportional to 1,036,009.19, 1,555,074.21 and 855,519.55

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Solution

The fourth proportional to 1,036,009.19, 1,555,074.21 and 855,519.55 is: 1,284,155.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,009.19 : 1,555,074.21 = 855,519.55 : x
  2. Step 2: Convert to fraction form
    1,036,009.19/1,555,074.21 = 855,519.55/x
  3. Step 3: Cross multiply
    1,036,009.19x = 1,555,074.21 × 855,519.55
  4. Step 4: Simplify right side
    1,036,009.19x = 1,330,396,388,355.81
  5. Step 5: Solve for x
    x = 1,330,396,388,355.81/1,036,009.19
  6. Step 6: Final answer
    x = 1,284,155.01

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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.