Home / 1,305,533.36-1,956,433.80-743,406.32

Finding the Fourth Proportional to 1,305,533.36, 1,956,433.80 and 743,406.32

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Solution

The fourth proportional to 1,305,533.36, 1,956,433.80 and 743,406.32 is: 1,114,046.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,533.36 : 1,956,433.80 = 743,406.32 : x
  2. Step 2: Convert to fraction form
    1,305,533.36/1,956,433.80 = 743,406.32/x
  3. Step 3: Cross multiply
    1,305,533.36x = 1,956,433.80 × 743,406.32
  4. Step 4: Simplify right side
    1,305,533.36x = 1,454,425,251,581.62
  5. Step 5: Solve for x
    x = 1,454,425,251,581.62/1,305,533.36
  6. Step 6: Final answer
    x = 1,114,046.79

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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.