Home / 1,212,358.80-1,816,176.24-737,867.28

Finding the Fourth Proportional to 1,212,358.80, 1,816,176.24 and 737,867.28

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Solution

The fourth proportional to 1,212,358.80, 1,816,176.24 and 737,867.28 is: 1,105,363.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,358.80 : 1,816,176.24 = 737,867.28 : x
  2. Step 2: Convert to fraction form
    1,212,358.80/1,816,176.24 = 737,867.28/x
  3. Step 3: Cross multiply
    1,212,358.80x = 1,816,176.24 × 737,867.28
  4. Step 4: Simplify right side
    1,212,358.80x = 1,340,097,022,209.43
  5. Step 5: Solve for x
    x = 1,340,097,022,209.43/1,212,358.80
  6. Step 6: Final answer
    x = 1,105,363.38

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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.