Home / 1,780,027.92-2,669,746.50-642,571.92

Finding the Fourth Proportional to 1,780,027.92, 2,669,746.50 and 642,571.92

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Solution

The fourth proportional to 1,780,027.92, 2,669,746.50 and 642,571.92 is: 963,751.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,027.92 : 2,669,746.50 = 642,571.92 : x
  2. Step 2: Convert to fraction form
    1,780,027.92/2,669,746.50 = 642,571.92/x
  3. Step 3: Cross multiply
    1,780,027.92x = 2,669,746.50 × 642,571.92
  4. Step 4: Simplify right side
    1,780,027.92x = 1,715,504,134,418.28
  5. Step 5: Solve for x
    x = 1,715,504,134,418.28/1,780,027.92
  6. Step 6: Final answer
    x = 963,751.25

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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.