Home / 1,305,338.20-1,958,007.30-744,429.40

Finding the Fourth Proportional to 1,305,338.20, 1,958,007.30 and 744,429.40

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Solution

The fourth proportional to 1,305,338.20, 1,958,007.30 and 744,429.40 is: 1,116,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,338.20 : 1,958,007.30 = 744,429.40 : x
  2. Step 2: Convert to fraction form
    1,305,338.20/1,958,007.30 = 744,429.40/x
  3. Step 3: Cross multiply
    1,305,338.20x = 1,958,007.30 × 744,429.40
  4. Step 4: Simplify right side
    1,305,338.20x = 1,457,598,199,534.62
  5. Step 5: Solve for x
    x = 1,457,598,199,534.62/1,305,338.20
  6. Step 6: Final answer
    x = 1,116,644.10

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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.