Home / 1,036,928.12-1,555,055.76-397,197.81

Finding the Fourth Proportional to 1,036,928.12, 1,555,055.76 and 397,197.81

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Solution

The fourth proportional to 1,036,928.12, 1,555,055.76 and 397,197.81 is: 595,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,928.12 : 1,555,055.76 = 397,197.81 : x
  2. Step 2: Convert to fraction form
    1,036,928.12/1,555,055.76 = 397,197.81/x
  3. Step 3: Cross multiply
    1,036,928.12x = 1,555,055.76 × 397,197.81
  4. Step 4: Simplify right side
    1,036,928.12x = 617,664,747,556.95
  5. Step 5: Solve for x
    x = 617,664,747,556.95/1,036,928.12
  6. Step 6: Final answer
    x = 595,667.85

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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.