Home / 1,297,169.72-1,945,554.96-432,619.83

Finding the Fourth Proportional to 1,297,169.72, 1,945,554.96 and 432,619.83

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Solution

The fourth proportional to 1,297,169.72, 1,945,554.96 and 432,619.83 is: 648,863.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,169.72 : 1,945,554.96 = 432,619.83 : x
  2. Step 2: Convert to fraction form
    1,297,169.72/1,945,554.96 = 432,619.83/x
  3. Step 3: Cross multiply
    1,297,169.72x = 1,945,554.96 × 432,619.83
  4. Step 4: Simplify right side
    1,297,169.72x = 841,685,656,050.86
  5. Step 5: Solve for x
    x = 841,685,656,050.86/1,297,169.72
  6. Step 6: Final answer
    x = 648,863.17

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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.