Home / 1,279,341.75-1,764,751.53-826,632.75

Finding the Fourth Proportional to 1,279,341.75, 1,764,751.53 and 826,632.75

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Solution

The fourth proportional to 1,279,341.75, 1,764,751.53 and 826,632.75 is: 1,140,275.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,341.75 : 1,764,751.53 = 826,632.75 : x
  2. Step 2: Convert to fraction form
    1,279,341.75/1,764,751.53 = 826,632.75/x
  3. Step 3: Cross multiply
    1,279,341.75x = 1,764,751.53 × 826,632.75
  4. Step 4: Simplify right side
    1,279,341.75x = 1,458,801,420,028.30
  5. Step 5: Solve for x
    x = 1,458,801,420,028.30/1,279,341.75
  6. Step 6: Final answer
    x = 1,140,275.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.