Home / 1,176,311.52-1,764,642.24-545,289.12

Finding the Fourth Proportional to 1,176,311.52, 1,764,642.24 and 545,289.12

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Solution

The fourth proportional to 1,176,311.52, 1,764,642.24 and 545,289.12 is: 818,014.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,311.52 : 1,764,642.24 = 545,289.12 : x
  2. Step 2: Convert to fraction form
    1,176,311.52/1,764,642.24 = 545,289.12/x
  3. Step 3: Cross multiply
    1,176,311.52x = 1,764,642.24 × 545,289.12
  4. Step 4: Simplify right side
    1,176,311.52x = 962,240,214,164.43
  5. Step 5: Solve for x
    x = 962,240,214,164.43/1,176,311.52
  6. Step 6: Final answer
    x = 818,014.78

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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.