Home / 1,229,533.80-1,844,300.70-1,221,660.60

Finding the Fourth Proportional to 1,229,533.80, 1,844,300.70 and 1,221,660.60

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Solution

The fourth proportional to 1,229,533.80, 1,844,300.70 and 1,221,660.60 is: 1,832,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,533.80 : 1,844,300.70 = 1,221,660.60 : x
  2. Step 2: Convert to fraction form
    1,229,533.80/1,844,300.70 = 1,221,660.60/x
  3. Step 3: Cross multiply
    1,229,533.80x = 1,844,300.70 × 1,221,660.60
  4. Step 4: Simplify right side
    1,229,533.80x = 2,253,109,499,742.42
  5. Step 5: Solve for x
    x = 2,253,109,499,742.42/1,229,533.80
  6. Step 6: Final answer
    x = 1,832,490.90

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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.