Home / 1,155,900.12-1,595,226.24-646,766.52

Finding the Fourth Proportional to 1,155,900.12, 1,595,226.24 and 646,766.52

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Solution

The fourth proportional to 1,155,900.12, 1,595,226.24 and 646,766.52 is: 892,584.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,900.12 : 1,595,226.24 = 646,766.52 : x
  2. Step 2: Convert to fraction form
    1,155,900.12/1,595,226.24 = 646,766.52/x
  3. Step 3: Cross multiply
    1,155,900.12x = 1,595,226.24 × 646,766.52
  4. Step 4: Simplify right side
    1,155,900.12x = 1,031,738,923,857.48
  5. Step 5: Solve for x
    x = 1,031,738,923,857.48/1,155,900.12
  6. Step 6: Final answer
    x = 892,584.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.