Home / 1,191,323.68-1,787,871.46-481,357.86

Finding the Fourth Proportional to 1,191,323.68, 1,787,871.46 and 481,357.86

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Solution

The fourth proportional to 1,191,323.68, 1,787,871.46 and 481,357.86 is: 722,394.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,323.68 : 1,787,871.46 = 481,357.86 : x
  2. Step 2: Convert to fraction form
    1,191,323.68/1,787,871.46 = 481,357.86/x
  3. Step 3: Cross multiply
    1,191,323.68x = 1,787,871.46 × 481,357.86
  4. Step 4: Simplify right side
    1,191,323.68x = 860,605,979,940.68
  5. Step 5: Solve for x
    x = 860,605,979,940.68/1,191,323.68
  6. Step 6: Final answer
    x = 722,394.76

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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.