Home / 1,274,715.72-1,910,673.90-432,633.24

Finding the Fourth Proportional to 1,274,715.72, 1,910,673.90 and 432,633.24

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Solution

The fourth proportional to 1,274,715.72, 1,910,673.90 and 432,633.24 is: 648,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,715.72 : 1,910,673.90 = 432,633.24 : x
  2. Step 2: Convert to fraction form
    1,274,715.72/1,910,673.90 = 432,633.24/x
  3. Step 3: Cross multiply
    1,274,715.72x = 1,910,673.90 × 432,633.24
  4. Step 4: Simplify right side
    1,274,715.72x = 826,621,039,940.44
  5. Step 5: Solve for x
    x = 826,621,039,940.44/1,274,715.72
  6. Step 6: Final answer
    x = 648,474.81

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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.